# A111554 (b-file synthesized from sequence entry)
0 1
1 2
2 10
3 72
4 632
5 6352
6 70912
7 864192
8 11371072
9 160333952
10 2409420032
11 38428442112
12 648333665792
13 11538313372672
14 216092576714752
15 4249731095212032
16 87591291183296512
17 1888669450881032192