# A365626 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 16
4 125
5 1171
6 12965
7 166836
8 2455121
9 40675881
10 749029635
11 15173252268
12 335303622765
13 8026962584007
14 206940524177025
15 5716136927184348
16 168418082791822545
17 5272347013042009125
18 174760355153742270543
19 6114528211048906800708
20 225195326302815011830005