# A088181 (b-file synthesized from sequence entry)
0 1
1 2
2 8
3 49
4 400
5 4081
6 49964
7 713665
8 11649936
9 213946513
10 4365604372
11 97988751433
12 2399366732888
13 63647177397961
14 1818219651069852
15 55651486523443537
16 1816920458689600288
17 63026617425620098465