137970
domain: N
Appears in sequences
- Expansion of 1/((1-2x)(1-4x)(1-5x)(1-7x)).at n=5A025959
- Base-9 digits are, in order, the first n terms of the periodic sequence with initial period 2,3,0.at n=5A037630
- Number of ways to place 4 nonattacking zebras on an n X n board.at n=6A172139
- Triangle read by rows: T(n,k) is the number of permutations of [n] having k fixed blocks.at n=38A180192
- Analog of A097717 in base 2.at n=9A249596