# A225905 (b-file synthesized from sequence entry)
1 1
2 3
3 12
4 84
5 924
6 2772
7 80388
8 3778236
9 35893242
10 1471622922
11 292852961478
12 3367809056997
13 1754628518695437
14 493050613753417797
15 61138276105423806828
16 134932175364670341669396
17 481842798227237790101413116
18 154671538230943330622553610236