Decomposition of A061656
In base 2 n and n^2 contain the same digits in the same proportion.
Decomposition of A061657
In base 3 n and n^2 contain the same digits in the same proportion.
Decomposition of A061673
Even numbers n such that n+1 and n-1 are both composite.
Decomposition of A061681
a(0)=1; a(n)=a(n-1)+lead(a(n-1)) for n > 0 where for an integer x lead(x) is the leading digit in base 10.
Decomposition of A061779
Primes p such that q-p = 22, where q is the next prime after p.
Decomposition of A061812
Numbers n such that floor(Pi*n) is a square.
Decomposition of A062060
Numbers with 10 odd integers in their Collatz (or 3x+1) trajectory.
Decomposition of A062115
Numbers with no prime substring in their decimal expansion.
Decomposition of A062634
Every divisor contains the digit 1.
Decomposition of A062721
Numbers n such that n is a product of two primes and n-2 is prime.