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A077613 as a simple table

na(n)
10
21
34
424
5144
61080
78640
880640
9806400
109072000
11108864000
121437004800
1320118067200
14305124019200
154881984307200
1683691159552000
171506440871936000
1828810681675776000
19576213633515520000
2012164510040883200000
21267619220899430400000
226182004002776842240000

[0,1,4,24,144,1080,8640,80640,806400,9072000,
 108864000,1437004800,20118067200,305124019200,
 4881984307200,83691159552000,1506440871936000,
 28810681675776000,576213633515520000,
 12164510040883200000,267619220899430400000,
 6182004002776842240000]