# A185625 (b-file synthesized from sequence entry)
0 1
1 2
2 3
3 6
4 18
5 79
6 463
7 3396
8 30073
9 314037
10 3796561
11 52332869
12 812013163
13 14029926801
14 267461387125
15 5581705418715
16 126657160962835
17 3106644875467396
18 81943115662983569
19 2313753122033185373
20 69654973411269008826
21 2227679407193350385775