A082612 - cp's OEIS frontend

A082612 Numbers n such that ((n-1)^2+1)/2 and n^2+1 and ((n+1)^2+1)/2 are prime if n is even or (n-1)^2+1 and (n^2+1)/2 and (n+1)^2+1 are prime if n is odd.

n	a(n)
1	3
2	4
3	5
4	10
5	15
6	25
7	170
8	205
9	570
10	715
11	780
12	950
13	1095
14	1315
15	1420
16	1615
17	2055
18	2380
19	2405
20	2730
21	2925
22	3755
23	3850
24	4120
25	4300
26	4615
27	4795
28	5015
29	5055
30	5475
31	5850
32	6360
33	6460
34	6785
35	6800
36	6970
37	7100
38	7240
39	7855
40	8115
41	8175
42	8720
43	9425
44	9475
45	9630
46	10150

[3, 4, 5, 10, 15, 25, 170, 205, 570, 715, 780, 950, 1095, 1315, 1420, 1615, 2055, 2380, 2405, 2730, 2925, 3755, 3850, 4120, 4300, 4615, 4795, 5015, 5055, 5475, 5850, 6360, 6460, 6785, 6800, 6970, 7100, 7240, 7855, 8115, 8175, 8720, 9425, 9475, 9630, 10150]

cp's OEIS Frontend

A082612 Numbers n such that ((n-1)^2+1)/2 and n^2+1 and ((n+1)^2+1)/2 are prime if n is even or (n-1)^2+1 and (n^2+1)/2 and (n+1)^2+1 are prime if n is odd.

Table of values

List of values