# A296618 (b-file synthesized from sequence entry)
0 1
1 1
2 9
3 89
4 1265
5 22929
6 506809
7 13220521
8 397585761
9 13543386785
10 515418398441
11 21673889807481
12 998003450868049
13 49942515803293489
14 2698849517019693465
15 156631203355106962889
16 9716434375682706344129
17 641592631434102757993281