# A356009 (b-file synthesized from sequence entry)
1 1
2 4
3 15
4 73
5 390
6 2641
7 19208
8 164585
9 1541746
10 16158341
11 181370552
12 2283224065
13 30160914446
14 434715492485
15 6655132252876
16 109315669969217
17 1879289179364690
18 34719396682318021
19 666070910669770400
20 13590051478686198401
21 289043813095242038422