# A305678 (b-file synthesized from sequence entry)
1 3
2 36
3 504
4 720
5 1404
6 19656
7 28080
8 44640
9 181440
10 195840
11 1740960
12 7637760
13 46085760
14 65862720
15 105960960
16 12884705280
17 16729130880
18 22826833920
19 38463828480
20 502503505920
21 890246522880
22 3377622411509760
23 131727274048880640
24 55340232208243752960
25 2158269056121506365440