# A013393 (b-file synthesized from sequence entry)
0 3
1 23
2 721
3 47879
4 4585141
5 647541971
6 125142649633
7 31683946165871
8 10177278274781101
9 4042622917874613323
10 1945427918214115672569
11 1115191589596355708429607
12 750796364377542533286862341