# A318231 (b-file synthesized from sequence entry)
1 1
2 0
3 2
4 3
5 9
6 23
7 73
8 229
9 796
10 2891
11 11118
12 44695
13 187825
14 820320
15 3716501
16 17413308
17 84209071
18 419461933
19 2148673503
20 11301526295
21 60956491070
22 336744177291
23 1903317319015
24 10995856040076
25 64873456288903
26 390544727861462
27 2397255454976268
28 14993279955728851