2656511

Appears in sequences

• Alkane (or paraffin) numbers l(13,n).at n=16A018214
• Number of n-element subsets of [n+10] having an even sum.at n=16A282086
• Maximum over 0 <= k <= n/2 of the number of permutations of two symbols occurring k and n-2*k times, respectively, where a permutation and its reversal are counted only once.at n=36A362260