# A124468 (b-file synthesized from sequence entry)
0 1
1 3
2 13
3 73
4 506
5 4117
6 37703
7 378529
8 4106995
9 47766886
10 592228264
11 7791350900
12 108323265571
13 1585742194947
14 24364012940723
15 391780319558565
16 6577005078357973
17 115010285695135090
18 2090723838361780991