# A190738 (b-file synthesized from sequence entry)
0 1
1 4
2 27
3 212
4 1785
5 15630
6 140287
7 1280592
8 11833389
9 110360150
10 1036670272
11 9794291556
12 92972640761
13 886023463122
14 8471878678545
15 81236546627920
16 780898417097733
17 7522708492892214
18 72607180401922894
19 701969331508141900
20 6796919869909393140