# A196661 (b-file synthesized from sequence entry)
0 1
1 5
2 35
3 245
4 1715
5 12005
6 84035
7 588245
8 4117715
9 28824005
10 201768035
11 1412376245
12 9886633715
13 69206436005
14 484445052035
15 3391115364245
16 23737807549715
17 166164652848005
18 1163152569936035
19 8142067989552245
20 56994475926865715
21 398961331488060005