# A152435 (b-file synthesized from sequence entry)
0 0
1 1
2 3
3 133
4 366
5 16105
6 44289
7 1948717
8 5358972
9 235794769
10 648435615
11 28531167061
12 78460709418
13 3452271214393
14 9493745839581
15 417724816941565
16 1148743246589304
17 50544702849929377
18 138997932837305787