# A109398 (b-file synthesized from sequence entry)
0 1
1 3
2 16
3 145
4 1926
5 33649
6 726328
7 18636561
8 553680370
9 18684924841
10 705833193924
11 29502690532393
12 1351724235304366
13 67359683340291105
14 3627011494019437936
15 209846445862386234529
16 12982402818188717219658