# A185631 (b-file synthesized from sequence entry)
0 1
1 4
2 10
3 32
4 137
5 766
6 5382
7 46022
8 467206
9 5519252
10 74629263
11 1139283601
12 19411643752
13 365595475542
14 7548810986515
15 169681672611815
16 4126880020198630
17 108026180912533227
18 3029184083924476085
19 90617948406514693702
20 2881333799993441893564
21 97057552263114611503090