# A129101 (b-file synthesized from sequence entry)
0 1
1 2
2 6
3 24
4 136
5 1162
6 15702
7 346768
8 12836904
9 814033666
10 90074891654
11 17659668432744
12 6211830230882472
13 3960850942657072026
14 4617438765658479411542
15 9912250203901899238148640