# A155372 (b-file synthesized from sequence entry)
5 1
6 7
7 19
8 37
9 61
10 206
11 1719
12 10790
13 47817
14 214975
15 1559070
16 18834488
17 235320165
18 2540394252
19 29093246624
20 443617991373
21 9324012818913