login

A002500 as a simple table

na(n)
01
12
28
344
4436
57176
6222368
712376880
81302871456
9254079924896
1094287450368768
1165986000800656832
1288430997899765949952
13226039101814259861321856
141112311767839787173832758784

[1,2,8,44,436,7176,222368,12376880,1302871456,
 254079924896,94287450368768,65986000800656832,
 88430997899765949952,226039101814259861321856,
 1112311767839787173832758784]