# A126495 (b-file synthesized from sequence entry)
0 1
1 27
2 177
3 1183
4 7961
5 53795
6 364489
7 2474351
8 16821389
9 114483903
10 779844261
11 5315901159
12 36257137597
13 247407046293
14 1688869025869
15 11532291728235
16 78767464674013
17 538108605910885
18 3676788059570219
19 25126354998525521