login

A074092 as a simple table

na(n)
01
12
28
340
4144
5448
61280
73456
88960
922528
1055296
11133120
12315392
13737280
141703936
153899392
168847360
1719922944
1844564480
1999090432
20219152384
21482344960
221056964608
232306867200
245016387584
2510871635968
2623488102400

[1,2,8,40,144,448,1280,3456,8960,22528,55296,
 133120,315392,737280,1703936,3899392,8847360,
 19922944,44564480,99090432,219152384,482344960,
 1056964608,2306867200,5016387584,10871635968,
 23488102400]