# A117734 (b-file synthesized from sequence entry)
1 0
2 1
3 5
4 2
5 26
6 6
7 186
8 18
9 1518
10 17070
11 14970
12 205050
13 177330
14 2873010
15 43515570
16 696699570
17 696219090
18 12540622290
19 12531433110
20 250812956310