# A376918 (b-file synthesized from sequence entry)
1 1
2 2
3 4
4 11
5 51
6 177
7 876
8 3965
9 20782
10 114462
11 678568
12 4160919
13 27640938
14 190402900
15 1378295071
16 10437144322
17 82285618466
18 671415306221
19 5676395537455