# A167142 (b-file synthesized from sequence entry)
0 1
1 2
2 5
3 23
4 171
5 1770
6 23128
7 359326
8 6397582
9 127481106
10 2798191975
11 66906139414
12 1728471631521
13 47946527974230
14 1421014299626478
15 44813786218342428
16 1498598183095006145
17 52978138615818746064