25634

Appears in sequences

• Least k such that first k terms of A022303 contain n more 2's than 1's.at n=15A025518
• a(n) = A027113(n, 2n-2).at n=9A027120
• Greatest number in row n of array T given by A027113.at n=11A027133
• Shifts left 2 places under "DGK" (bracelet, element, unlabeled) transform.at n=21A032237
• Number of double rises at an even level in all nondecreasing Dyck paths of semilength n. A nondecreasing Dyck path is a Dyck path for which the sequence of the altitudes of the valleys is nondecreasing.at n=10A121532
• a(0) = 1; a(n) = Sum_{k=1..n} gcd(n,k)*a(n-k).at n=13A308445
• a(n) is the number of primes that can be written as +-1! +- 2! +- 3! +- ... +- n!.at n=19A357680