A134604 - cp's OEIS frontend

A134604 Numbers (excluding primes and powers of primes) such that the square mean of their prime factors is a prime (where the square mean of c and d is sqrt((c^2+d^2)/2)).

n	a(n)
1	119
2	161
3	351
4	595
5	721
6	845
7	959
8	1045
9	1081
10	1241
11	1323
12	1375
13	1547
14	1792
15	1855
16	2457
17	2645
18	2737
19	3281
20	3367
21	3509
22	3887
23	3995
24	4347
25	4625
26	4655
27	4681
28	5376
29	5795
30	6545
31	6615
32	6643
33	6993
34	7505
35	7705
36	7803
37	7889
38	8019
39	9295
40	9625
41	10557
42	11845

[119, 161, 351, 595, 721, 845, 959, 1045, 1081, 1241, 1323, 1375, 1547, 1792, 1855, 2457, 2645, 2737, 3281, 3367, 3509, 3887, 3995, 4347, 4625, 4655, 4681, 5376, 5795, 6545, 6615, 6643, 6993, 7505, 7705, 7803, 7889, 8019, 9295, 9625, 10557, 11845]

cp's OEIS Frontend

A134604 Numbers (excluding primes and powers of primes) such that the square mean of their prime factors is a prime (where the square mean of c and d is sqrt((c^2+d^2)/2)).

Table of values

List of values