# A108994 (b-file synthesized from sequence entry)
0 1
1 3
2 18
3 180
4 2670
5 54096
6 1411228
7 45421776
8 1747674405
9 78485504845
10 4037946005808
11 234494393383614
12 15187062546935643
13 1086079262127563445
14 85049134680670591560
15 7241328591814507465712
16 666283956766298002183275