# A123536 (b-file synthesized from sequence entry)
0 1
1 1
2 1
3 5
4 7
5 175
6 7601
7 35035
8 3620617
9 533203385
10 5132341123
11 1381418533495
12 19315437152429
13 318022715945935
14 176611180730425441
15 120653354922346558325
16 3031735699207849905271
17 86163723379372590236285
18 101750602671765022556964427
19 3623786261867543729253761465