# A232246 (b-file synthesized from sequence entry)
0 1
1 6
2 60
3 684
4 8270
5 103356
6 1319318
7 17089176
8 223742646
9 2953453860
10 39238422432
11 524028551976
12 7028512984012
13 94609733971200
14 1277433085844250
15 17293594106959920
16 234654019904185254
17 3190395630994096932
18 43454433346369902968
19 592805610973385781960