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A274461 as a simple table

na(n)
01
14
28
372
4144
53600
610800
721600
81058400
92116800
106350400
11768398400
123841992000
137683984000
141298593296000
153895779888000
167791559776000
172251760775264000
1815762325426848000
195690199479092128000
2011380398958184256000
216020231048879471424000
2230101155244397357120000
2390303465733192071360000

[1,4,8,72,144,3600,10800,21600,1058400,2116800,
 6350400,768398400,3841992000,7683984000,
 1298593296000,3895779888000,7791559776000,
 2251760775264000,15762325426848000,
 5690199479092128000,11380398958184256000,
 6020231048879471424000,30101155244397357120000,
 90303465733192071360000]