114392
domain: N
Appears in sequences
- Number of permutations of length n which avoid the patterns 312, 1324, 3421; or avoid the patterns 312, 1324, 2341, etc.at n=41A116722
- Number of nX6 0..1 arrays with every repeated value in every row and column greater than the previous repeated value.at n=7A267717
- 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=30A279011
- Numbers k such that phi(6k) = phi(6k-2), where phi is Euler's totient function A000010.at n=17A279183
- L.g.f.: log(1 + Sum_{k>=1} prime(k)*x^k) = Sum_{n>=1} a(n)*x^n/n.at n=30A303073