A259021 - cp's OEIS frontend

A259021 Numbers k such that k^2 = Product_{d|k} d (= A007955(k)) and simultaneously k^2 + 1 is a divisorial prime (A258455).

n	a(n)
1	1
2	6
3	10
4	14
5	26
6	74
7	94
8	134
9	146
10	206
11	314
12	326
13	386
14	466
15	634
16	674
17	1094
18	1174
19	1294
20	1306
21	1354
22	1366
23	1546
24	1654
25	1766
26	1774
27	1894
28	1966
29	2026
30	2126
31	2174
32	2326
33	2594
34	2654
35	2746
36	2974
37	2986
38	3046
39	3106
40	3134
41	3214
42	3254
43	3274
44	3314
45	3326
46	3334
47	3446

[1, 6, 10, 14, 26, 74, 94, 134, 146, 206, 314, 326, 386, 466, 634, 674, 1094, 1174, 1294, 1306, 1354, 1366, 1546, 1654, 1766, 1774, 1894, 1966, 2026, 2126, 2174, 2326, 2594, 2654, 2746, 2974, 2986, 3046, 3106, 3134, 3214, 3254, 3274, 3314, 3326, 3334, 3446]

cp's OEIS Frontend

A259021 Numbers k such that k^2 = Product_{d|k} d (= A007955(k)) and simultaneously k^2 + 1 is a divisorial prime (A258455).

Table of values

List of values