# A055723 (b-file synthesized from sequence entry)
0 1
1 4
2 23
3 153
4 1118
5 8772
6 71918
7 609237
8 5286238
9 46697909
10 418348044
11 3790060378
12 34652117969
13 319239995375
14 2960006060823
15 27596305747873