# A111759 (b-file synthesized from sequence entry)
1 1
2 2
3 3
4 7
5 12
6 29
7 61
8 162
9 412
10 1221
11 3665
12 12031
13 40514
14 143244
15 518247
16 1926638
17 7285835
18 28013935
19 109058879
20 429366751