# A003299 (b-file synthesized from sequence entry)
0 0
1 1
2 7
3 5
4 3635
5 557485
6 7596391
7 19681954039
8 32139541115
9 11613832153165
10 3386240626860905
11 2153823021586357
12 11330361348611303
13 9397464146366084237
14 9528720716522267278849
15 309116925259099828695359