# A223075 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 13
4 132
5 2492
6 76726
7 4048401
8 360486616
9 54950141846
10 14338767268684
11 6424397920197266
12 4947731418324541980
13 6554636080888858780850
14 14947781374271898418583534
15 58699996835841575449007944393
16 397110307362512858324163841229032