# A212587 (b-file synthesized from sequence entry)
0 1
1 4
2 12
3 30
4 66
5 148
6 316
7 682
8 1438
9 3052
10 6428
11 13574
12 28594
13 60284
14 127004
15 267634
16 563870
17 1188084
18 2503180
19 5274062
20 11112002
21 23412164
22 49327516
23 103929178
24 218970366
25 461352988
26 972033500
27 2047996278
28 4314962930
29 9091278956
30 19154591420
31 40357179234