# A117613 (b-file synthesized from sequence entry)
0 0
1 0
2 1
3 8
4 22
5 256
6 2247
7 21576
8 225102
9 2303014
10 24563283
11 267169300
12 2937239494
13 32814269626
14 370231763542
15 4215902111928