# A358865 (b-file synthesized from sequence entry)
3 20
4 140
5 405
6 2856
7 25296
8 111720
9 25984
10 5474000
11 237600
12 223826688
13 3852800
14 268565760
15 1834725376
16 175861400000
17 335674368
18 2863363937280
19 4383831556096
20 206015846400
21 3400704000
22 938209120583680
23 2981338216980480
24 21463949229465600
25 45410367307776
26 72056803765911552