# A181895 (b-file synthesized from sequence entry)
4 4
5 28
6 176
7 1258
8 10070
9 90692
10 907184
11 9979181
12 119750111
13 1556754911
14 21794572379
15 326918591535
16 5230697470143
17 88921857013919
18 1600593426385151
19 30411275101997759
20 608225502043759679