# A125334 (b-file synthesized from sequence entry)
0 1
1 24
2 156
3 804
4 4852
5 29644
6 185628
7 1177732
8 7552820
9 48830268
10 317759976
11 2078811792
12 13659968764
13 90095534852
14 596129318920
15 3955237896544
16 26305462766900
17 175320838970108
18 1170655876964172
19 7829668140011476