# A093461 (b-file synthesized from sequence entry)
1 1
2 2
3 8
4 42
5 312
6 3110
7 39216
8 599186
9 10761680
10 222222222
11 5187484920
12 135092431034
13 3883014187080
14 122109965116022
15 4170418003627232
16 153722867280912930
17 6082648984458358560
18 257166065851611356702