58376

Appears in sequences

• Number of ordered pairs (p,q) of permutations of [n] with complementary up-down signatures and p(1)=q(1) if n>0.at n=7A262241
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 809", based on the 5-celled von Neumann neighborhood.at n=38A273612
• Expansion of Product_{k>=1} (1 + x^(2*k)) / (1 - x^k).at n=34A279328
• Members of A350836 that are not in A002385.at n=10A350850
• Number of unlabeled simple graphs with n possibly isolated vertices and up to n edges.at n=12A370315