# A075734 (b-file synthesized from sequence entry)
1 1
2 8
3 55
4 377
5 610
6 10946
7 17711
8 121393
9 3524578
10 5702887
11 9227465
12 39088169
13 63245986
14 1836311903
15 20365011074
16 139583862445
17 365435296162
18 591286729879
19 4052739537881
20 17167680177565
21 117669030460994