# A012383 (b-file synthesized from sequence entry)
0 0
1 2
2 12
3 430
4 26040
5 2903098
6 482065540
7 114403718182
8 36427784932336
9 15033693897929202
10 7796959901543040892
11 4965936966951067746846
12 3810003526358223726689960
13 3466033186882425920541836586