A257814 - cp's OEIS frontend

A257814 Numbers n such that k times the sum of the digits (d) to the power k equal n, so n=k*sum(d^k), for some positive integer k, where k is smaller than sum(d^k).

n	a(n)
1	2
2	3
3	4
4	5
5	6
6	7
7	8
8	9
9	50
10	298
11	130004
12	484950
13	3242940
14	4264064
15	5560625
16	36550290
17	47746195
18	111971979
19	129833998
20	9865843497
21	46793077740
22	767609367921
23	4432743262896
24	42744572298532
25	77186414790914
26	99320211963544
27	99335229415136
28	456385296642870

[2, 3, 4, 5, 6, 7, 8, 9, 50, 298, 130004, 484950, 3242940, 4264064, 5560625, 36550290, 47746195, 111971979, 129833998, 9865843497, 46793077740, 767609367921, 4432743262896, 42744572298532, 77186414790914, 99320211963544, 99335229415136, 456385296642870]

cp's OEIS Frontend

A257814 Numbers n such that k times the sum of the digits (d) to the power k equal n, so n=k*sum(d^k), for some positive integer k, where k is smaller than sum(d^k).

Table of values

List of values