# A002545 (b-file synthesized from sequence entry)
3 1
4 3
5 7
6 15
7 29
8 469
9 29531
10 1303
11 16103
12 190553
13 128977
14 9061
15 30946717
16 39646461
17 58433327
18 344499373
19 784809203
20 169704792667
21 665690574539
22 5667696059
23 337284946763
24 7964656853269
25 46951444927823
26 284451446729
27 1597747168263479
28 816088653136373