# A102591 (b-file synthesized from sequence entry)
0 1
1 6
2 44
3 328
4 2448
5 18272
6 136384
7 1017984
8 7598336
9 56714752
10 423324672
11 3159738368
12 23584608256
13 176037912576
14 1313964867584
15 9807567290368
16 73204678852608
17 546407161659392
18 4078438577864704
19 30441879976280064