29728
domain: N
Appears in sequences
- Number of parts if 3^n is partitioned into parts of size 2^n as far as possible and into parts of size 1^n.at n=14A060692
- a(n) = (A114043(n) - 1)/2.at n=20A115005
- Number of n X n binary arrays symmetric about both diagonal and antidiagonal with all ones connected only in a 00100-00100-11111 pattern in any orientation.at n=18A146999
- Number of ways to place 2 nonattacking nightriders on an n X n board.at n=15A172141
- 7-step Fibonacci sequence starting with (0,0,0,1,0,0,0).at n=22A251712
- Sum T(n,k) of the entries in the k-th last cycles of all permutations of [n]; triangle T(n,k), n>=1, 1<=k<=n, read by rows.at n=41A286231
- a(n) = (n + 2)*(n^2 + n - 1).at n=30A318765
- a(0) = a(1) = 1; a(n) = 2 * Sum_{k=0..n-2} a(k) * a(n-k-2).at n=12A354733