# A088717 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 14
4 84
5 596
6 4785
7 42349
8 406287
9 4176971
10 45640572
11 526788153
12 6392402793
13 81247489335
14 1078331283648
15 14907041720241
16 214187010762831
17 3192620516380376
18 49287883925072010
19 786925082232918304
20 12976244331714379149
21 220728563512663520510