Decomposition into weight × level + jump - all 2D graphs

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Decomposition of A116459

3D graph (WebGL) / 2D graph - First 500 terms / Generation of 3D graph
Numbers n such that the minimal length of the corresponding shortest addition chain A003313(n)=A003313(3*n).
A116459(n) = A000000(n) * A000000(n) + A000000(n)
Download CSV of the decomposition of A116459 (9999 lines.)
Decomposition of A116459 - 9997 dots.

Decomposition of Early bird numbers

3D graph (WebGL) / 2D graph - First 500 terms / Generation of 3D graph
"Early bird" numbers: write the natural numbers in a string 12345678910111213.... Sequence gives numbers which occur in the string ahead of their natural place (cf. A117804).
A116700(n) = A000000(n) * A000000(n) + A000000(n)
Download CSV of the decomposition of Early bird numbers (9999 lines.)
Decomposition of Early bird numbers - 9998 dots.

Decomposition of A117048

3D graph (WebGL) / 2D graph - First 500 terms / Generation of 3D graph
Prime numbers that are expressible as the sum of two positive triangular numbers.
A117048(n) = A000000(n) * A000000(n) + A000000(n)
Download CSV of the decomposition of A117048 (9999 lines.)
Decomposition of A117048 - 9996 dots.

Decomposition of A117223

3D graph (WebGL) / 2D graph - First 500 terms / Generation of 3D graph
Numbers n such that Phi(n,x) is a flat cyclotomic polynomial of order three.
A117223(n) = A000000(n) * A000000(n) + A000000(n)
Download CSV of the decomposition of A117223 (9999 lines.)
Decomposition of A117223 - 9998 dots.

Decomposition of A117804

3D graph (WebGL) / 2D graph - First 500 terms / Generation of 3D graph
Natural position of n in the string 12345678910111213....
A117804(n) = A000000(n) * A000000(n) + A055642(n)
Download CSV of the decomposition of A117804 (9999 lines.)
Decomposition of A117804 - 9997 dots.

Decomposition of A117876

3D graph (WebGL) / 2D graph - First 500 terms / Generation of 3D graph
Primes p=prime(k) of level (1,2), i.e. such that A118534(k) = prime(k-2).
A117876(n) = A000000(n) * A000000(n) + A000000(n)
Download CSV of the decomposition of A117876 (9999 lines.)
Decomposition of A117876 - 9993 dots.

Decomposition of A118134

3D graph (WebGL) / 2D graph - First 500 terms / Generation of 3D graph
Primes p such that 4p is the sum of two consecutive primes.
A118134(n) = A000000(n) * A000000(n) + A000000(n)
Download CSV of the decomposition of A118134 (9999 lines.)
Decomposition of A118134 - 9993 dots.

Decomposition of A118369

3D graph (WebGL) / 2D graph - First 500 terms / Generation of 3D graph
Numbers n such that prod_{d|n} d + 1 is prime.
A118369(n) = A000000(n) * A000000(n) + A000000(n)
Download CSV of the decomposition of A118369 (9999 lines.)
Decomposition of A118369 - 9994 dots.

Decomposition of A118882

3D graph (WebGL) / 2D graph - First 500 terms / Generation of 3D graph
Numbers which are the sum of two squares in two or more different ways.
A118882(n) = A000000(n) * A000000(n) + A000000(n)
Download CSV of the decomposition of A118882 (9999 lines.)
Decomposition of A118882 - 9998 dots.

Decomposition of A118886

3D graph (WebGL) / 2D graph - First 500 terms / Generation of 3D graph
Numbers expressible as i^2+i*j+j^2, 0<=i<=j, in 2 or more ways.
A118886(n) = A000000(n) * A000000(n) + A000000(n)
Download CSV of the decomposition of A118886 (9999 lines.)
Decomposition of A118886 - 9998 dots.