1217270
domain: N
Appears in sequences
- Number of 2-line arrays; or number of P-graphs with 2n edges.at n=8A003169
- Number of P-graphs with 2n edges.at n=17A007165
- Square array, read by antidiagonals, where rows are successive self-convolutions of the top row, which equals A003169 shifted one place right.at n=54A100324
- Triangle, read by rows, where row n equals the inverse binomial of column n of square array A100324, which lists the self-convolutions of SHIFT(A003169).at n=45A100326
- Augmentation of the triangular array A158405. See Comments.at n=44A193091