A121154 - cp's OEIS frontend

A121154 a(n) = the n-th divisor of r(n)^n, where r(n) = (10^n-1)/9 the repunits and the positive divisors of r(n)^n are written in order from smallest to largest.

n	a(n)
1	1
2	11
3	9
4	121
5	11111
6	13
7	21613201
8	1111
9	333
10	4961
11	219660193449998401
12	49
13	17530969
14	562529
15	333
16	2057
17	79066065031254967758669825213076144489
18	91

[1, 11, 9, 121, 11111, 13, 21613201, 1111, 333, 4961, 219660193449998401, 49, 17530969, 562529, 333, 2057, 79066065031254967758669825213076144489, 91]

cp's OEIS Frontend

A121154 a(n) = the n-th divisor of r(n)^n, where r(n) = (10^n-1)/9 the repunits and the positive divisors of r(n)^n are written in order from smallest to largest.

Table of values

List of values