# A020565 (b-file synthesized from sequence entry)
0 1
1 2
2 15
3 205
4 4202
5 118096
6 4300364
7 195155304
8 10727473182
9 698874420944
10 53040545101942
11 4624423933685370
12 457851029540848580
13 50977215595819988320
14 6329927203532081983976
15 870296461701522595081624
16 131659595370255359745290076