# A109392 (b-file synthesized from sequence entry)
0 0
1 1
2 13
3 175
4 2735
5 49610
6 1029386
7 24088590
8 628068366
9 18061990371
10 568061990371
11 19398632250697
12 714854467214665
13 28276489167109688
14 1195037205850701368
15 53742304051553826368
16 2562499498076052846144