2679689
domain: N
Appears in sequences
- Odd partition numbers.at n=36A052003
- Number of ways to partition 2n+1 into positive integers.at n=33A058695
- a(n) = p(P(n)), P = primes (A000040), p = partition numbers (A000041).at n=18A058698
- Partition numbers (A000041) that are semiprimes (A001358).at n=5A065728
- Partition numbers of the form 3*k+2.at n=19A087185
- Number of partitions of 3n+1.at n=22A111295
- Number of partitions of T where T = (3n + 1) if n is even and T=(3n + 1)/2 if n is odd.at n=21A111329
- Number of partitions of (6*n + 1).at n=11A111370
- Number of partitions of T where T=(7*n + 1) if n is even and T=((7*n + 1)/2) if n is odd.at n=19A111515
- Odd partition numbers of odd numbers.at n=19A154795
- Odd partition numbers of prime numbers.at n=12A193831
- Partition numbers p(n) having the same parity as n.at n=35A209658
- Number of starting configurations of Nim with n pieces such that 1st player wins. Partitions of n such that their xor-sum is nonzero.at n=67A233810