login

A189155 as a simple table

na(n)
18
264
3512
43375
521952
6140608
7884736
85545233
934645976
10216000000
111345572864
128377795791
1352145952256
14324525966848
152019487744000
1612566456507249
1778194107594728
18486552055503808
193027480871826944
2018837870152811039

[8,64,512,3375,21952,140608,884736,5545233,
 34645976,216000000,1345572864,8377795791,
 52145952256,324525966848,2019487744000,
 12566456507249,78194107594728,486552055503808,
 3027480871826944,18837870152811039]