# A334644 (b-file synthesized from sequence entry)
0 0
1 0
2 0
3 83
4 299
5 1263
6 6076
7 31307
8 168561
9 936161
10 5321611
11 30804795
12 180939408
13 1075636912
14 6459103704
15 39120216196
16 238692219923
17 1465783144605
18 9052278085129
19 56185368932615
20 350293215459915
21 2192731008315015
22 13775745283576920
23 86831135890324875