A255580 - cp's OEIS frontend

A255580 Numbers n such that n is not a prime power (p^k with k>=1) and the root mean square (quadratic mean) of its prime divisors is an integer.

n	a(n)
1	119
2	161
3	455
4	527
5	595
6	721
7	833
8	959
9	1045
10	1081
11	1127
12	1241
13	1265
14	1547
15	1615
16	1855
17	2023
18	2047
19	2145
20	2275
21	2345
22	2665
23	2737
24	2975
25	3185
26	3281
27	3367
28	3703
29	3713
30	3835
31	3995
32	4165
33	4207
34	4305
35	4633
36	4681
37	5047

[119, 161, 455, 527, 595, 721, 833, 959, 1045, 1081, 1127, 1241, 1265, 1547, 1615, 1855, 2023, 2047, 2145, 2275, 2345, 2665, 2737, 2975, 3185, 3281, 3367, 3703, 3713, 3835, 3995, 4165, 4207, 4305, 4633, 4681, 5047]

cp's OEIS Frontend

A255580 Numbers n such that n is not a prime power (p^k with k>=1) and the root mean square (quadratic mean) of its prime divisors is an integer.

Table of values

List of values