34732
domain: N
Appears in sequences
- Numbers k such that phi(6k) is either phi(6k-2) or phi(6k+2), where phi is Euler's totient function A000010.at n=18A279011
- Numbers k such that phi(6k) = phi(6k-2), where phi is Euler's totient function A000010.at n=12A279183
- Triangle read by rows: T(n,k) is the number of strict multiset partitions of normal multisets of size n into k blocks, where a multiset is normal if it spans an initial interval of positive integers.at n=31A330787