# A000944 (b-file synthesized from sequence entry)
1 0
2 0
3 0
4 1
5 2
6 7
7 34
8 257
9 2606
10 32300
11 440564
12 6384634
13 96262938
14 1496225352
15 23833988129
16 387591510244
17 6415851530241
18 107854282197058