# A372109 (b-file synthesized from sequence entry)
0 1
1 2
2 12
3 90
4 758
5 6850
6 64904
7 636250
8 6399120
9 65661250
10 684665828
11 7233956250
12 77278356246
13 833291781250
14 9057750917944
15 99144375156250
16 1091857567068742
17 12089416175781250
18 134501879883249300
19 1502857085910156250
20 16857310306553767026