# A179564 (b-file synthesized from sequence entry)
1 0
2 0
3 0
4 0
5 1
6 6
7 134
8 960
9 16615
10 138022
11 2425600
12 23279224
13 444500577
14 4880181294
15 102914967458
16 1277238809792
17 29767443364523
18 412889949481670
19 10588965173821348
20 162515224089696984