115082

Appears in sequences

• Number of separated bicyclic skeletons with n carbon atoms (see Parks et al. for precise definition).at n=10A121162
• Number of ways to place 2 nonattacking knights on an n X n cylindrical board.at n=21A172964
• Irregular table read by rows, T(n, k) is the rank of the k-th Genocchi permutation of {1,...,n}, permutations sorted in lexicographical order. If no Genocchi permutation of {1,...,n} exists, then T(n, 1) = 0 by convention.at n=40A347599