76833
domain: N
Appears in sequences
- Triangle read by rows: T(n,k) is the number of permutations of [n] having k blocks of even length.at n=33A180194
- Not appropriate for the OEIS.at n=6A248691
- Number of nX5 0..1 arrays with every element equal to 0, 1, 3, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.at n=8A303194