login

A056373 as a simple table

na(n)
14
216
340
4160
5280
62176
72800
817920
944224
10263296
11419872
124280320
135594000
1444751616
15134391040
16539054080
171073758360
1811453771776
1915271054960
20137575813120
21366528038400
221759220283904
233198580043440
2435193817661440
2556294998751872

[4,16,40,160,280,2176,2800,17920,44224,263296,
 419872,4280320,5594000,44751616,134391040,
 539054080,1073758360,11453771776,15271054960,
 137575813120,366528038400,1759220283904,
 3198580043440,35193817661440,56294998751872]