Decomposition of A134617
Numbers such that the arithmetic mean of the squares of their prime factors (taken with multiplicity) is a prime.
Decomposition of A134618
Numbers such that the sum of cubes of their prime factors (taken with multiplicity) is a prime.
Decomposition of A134619
Numbers such that the arithmetic mean of the cubes of their prime factors (taken with multiplicity) is a prime.
Decomposition of A134620
Numbers such that the sum of 4th power of their prime factors is a prime.
Decomposition of Cyclops primes
Cyclops primes.
Decomposition of A136072
Father primes of order 3.
Decomposition of A136120
Limiting sequence when we start with the positive integers (A000027) and at step n >= 1 delete the a(n) terms at positions n+a(n) to n-1+2*a(n).
Decomposition of A136333
Numbers containing only digits coprime to 10 in their decimal representation.
Decomposition of A136773
n! never ends in this many 0's in base 13.
Decomposition of A137812
Left- or right-truncatable primes.









