# A037796 (b-file synthesized from sequence entry)
1 3
2 23
3 162
4 1134
5 7941
6 55589
7 389124
8 2723868
9 19067079
10 133469555
11 934286886
12 6540008202
13 45780057417
14 320460401921
15 2243222813448
16 15702559694136
17 109917917858955
18 769425425012687
19 5385977975088810