A134602 - cp's OEIS frontend

A134602 Composite numbers such that the square mean of their prime factors is a nonprime integer (where the prime factors are taken with multiplicity and the square mean of c and d is sqrt((c^2+d^2)/2)).

n	a(n)
1	378
2	455
3	527
4	918
5	1265
6	1615
7	2047
8	2145
9	2175
10	2345
11	2665
12	3713
13	3835
14	4207
15	4305
16	4633
17	5000
18	5117
19	5382
20	6061
21	6678
22	6887
23	6965
24	7055
25	7267
26	7327
27	7497
28	7685
29	7791
30	8470
31	8785
32	8918
33	9641
34	10205
35	10545
36	10647
37	11137
38	11543
39	11713
40	13482
41	14079

[378, 455, 527, 918, 1265, 1615, 2047, 2145, 2175, 2345, 2665, 3713, 3835, 4207, 4305, 4633, 5000, 5117, 5382, 6061, 6678, 6887, 6965, 7055, 7267, 7327, 7497, 7685, 7791, 8470, 8785, 8918, 9641, 10205, 10545, 10647, 11137, 11543, 11713, 13482, 14079]

cp's OEIS Frontend

A134602 Composite numbers such that the square mean of their prime factors is a nonprime integer (where the prime factors are taken with multiplicity and the square mean of c and d is sqrt((c^2+d^2)/2)).

Table of values

List of values