# A161690 (b-file synthesized from sequence entry)
0 1
1 45
2 1034
3 16169
4 193499
5 1889589
6 15678870
7 113657422
8 734546032
9 4298041947
10 23046526516
11 114353850926
12 529270561189
13 2300298156544
14 9441106933059
15 36770120287103
16 136464073495963
17 484372497396274
18 1649583299663734