login

Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.

A156189 as a simple table

na(n)
01
13
236
3108
41296
53888
646656
7139968
81679616
95038848
1060466176
11181398528
122176782336
136530347008
1478364164096
15235092492288
162821109907456
178463329722368
18101559956668416
19304679870005248
203656158440062976

[1,3,36,108,1296,3888,46656,139968,1679616,
 5038848,60466176,181398528,2176782336,6530347008,
 78364164096,235092492288,2821109907456,
 8463329722368,101559956668416,304679870005248,
 3656158440062976]