# A155243 (b-file synthesized from sequence entry)
3 1
4 7
5 19
6 37
7 102
8 1264
9 9091
10 48176
11 418130
12 8182255
13 143523182
14 2278072430
15 53254810257
16 2027413206531
17 84728501324609
18 3776435859240528
19 226344677177142828
20 18987749209358606115
21 1902812184280545994272