# A132466 (b-file synthesized from sequence entry)
1 0
2 0
3 0
4 0
5 0
6 0
7 0
8 1
9 80
10 1944
11 25200
12 217800
13 1411344
14 7361640
15 32391216
16 124227675
17 425339200
18 1323786464
19 3797876160
20 10155802176
21 25539739200
22 60844672800
23 138154965696
24 300509773245
25 628886888784
26 1270898695000
27 2488029830000
28 4731583685400
29 8762192010000