36959

Appears in sequences

• Positions of non-crossing fixed-point-free involutions encoded by A014486 in A055089. Permutation of A064640.at n=20A064638
• Positions of non-crossing fixed-point-free involutions encoded by A014486 (after reflection) in A055089. Permutation of A064640.at n=18A064639
• Positions of non-crossing fixed-point-free involutions (encoded by A014486) in A055089, sorted to ascending order.at n=19A064640
• a(n) is the smallest k such that number of non-unitary prime divisors of central binomial coefficient, A001405(k) = C(k, floor(k/2)) equals n.at n=26A081394
• Number of integer partitions of n with at least one pair of consecutive divisible parts.at n=40A328221
• a(1) = 0 and a(n+1) > a(n) is the smallest integer such that a(n+1)^2-a(n)^2 is triangular.at n=18A358416