A067521 - cp's OEIS frontend

A067521 Numbers n such that the square root of n is an integer and a multiple of the sum of the digits of n.

n	a(n)
1	1
2	81
3	100
4	324
5	400
6	1296
7	2025
8	2401
9	2704
10	2916
11	4225
12	5184
13	6400
14	7744
15	8100
16	10000
17	11664
18	12544
19	20736
20	26244
21	32400
22	33124
23	36100
24	39204
25	40000
26	46656
27	59049
28	63504
29	72900
30	75625
31	88209
32	104329
33	104976
34	122500
35	123201
36	129600

[1, 81, 100, 324, 400, 1296, 2025, 2401, 2704, 2916, 4225, 5184, 6400, 7744, 8100, 10000, 11664, 12544, 20736, 26244, 32400, 33124, 36100, 39204, 40000, 46656, 59049, 63504, 72900, 75625, 88209, 104329, 104976, 122500, 123201, 129600]

cp's OEIS Frontend

A067521 Numbers n such that the square root of n is an integer and a multiple of the sum of the digits of n.

Table of values

List of values