# A059296 (b-file synthesized from sequence entry)
0 0
1 1
2 3
3 7
4 31
5 173
6 1199
7 9831
8 93303
9 1004817
10 12107795
11 161367055
12 2356740567
13 37428107645
14 642165083775
15 11836940014639
16 233283750994767
17 4895016784086017
18 108952695421053699
19 2563927258693534391
20 63603177623431960239
21 1658851308207579983341