352256

Appears in sequences

• Theta series of E_8 lattice with respect to deep hole.at n=27A004017
• Number of phylogenetic trees with n labels.at n=7A005640
• Primitive numbers k that divide sigma(k)*phi(k).at n=21A055196
• a(n) = 2^(n-1) * prime(n).at n=13A110295
• a(0)=2, a(1)=7, and a(n) = (3*n+1)*2^(n-1) if n > 1.at n=14A176662
• Number of non-degenerate fanout-free Boolean functions of n variables using And, Or and Not gates.at n=6A224766
• a(n) = n^7*(9*n+7)/2.at n=4A229150
• Number of ascending runs in {1,...,4}^n.at n=8A229278
• Number of binary words of length n that contain all 32 5-bit words as (possibly overlapping) contiguous subwords.at n=1A242323
• Numbers k such that the smallest m such that k | psi(m) is even, psi = A002322.at n=32A341886
• Heinz numbers of integer partitions whose product equals their length.at n=24A353699
• a(n) is the number of exterior top arches (no covering arch) for semi-meanders in generation n+1 that are generated by semi-meanders with n top arches and floor((n+2)/2) exterior top arches using the exterior arch splitting algorithm.at n=26A365679