# A168939 (b-file synthesized from sequence entry)
0 1
1 22
2 462
3 9702
4 203742
5 4278582
6 89850222
7 1886854662
8 39623947902
9 832102905942
10 17474161024782
11 366957381520422
12 7706105011928862
13 161828205250506102
14 3398392310260628142
15 71366238515473190982