# A345749 (b-file synthesized from sequence entry)
0 1
1 1
2 4
3 21
4 147
5 1250
6 12633
7 147497
8 1947676
9 28699373
10 466994003
11 8309274754
12 160368858609
13 3336869582657
14 74468098634660
15 1773827462044421
16 44905503103938915
17 1203843692164105458
18 34070243272290551113
19 1015056385225183643721