# A093801 (b-file synthesized from sequence entry)
0 1
1 12
2 90
3 594
4 3726
5 22842
6 138510
7 835434
8 5025726
9 30193722
10 181280430
11 1088036874
12 6529284126
13 39178893402
14 235082926350
15 1410526255914
16 8463243628926
17 50779720053882
18 304679095164270
19 1828076895508554
20 10968468346620126