A253257 - cp's OEIS frontend

A253257 Least positive integer k such that prime(k*n) has the form p^2 - 2 with p prime, or 0 if no such k exists.

n	a(n)
1	1
2	2
3	3
4	1
5	3
6	12
7	47
8	9
9	1
10	100
11	502
12	6
13	3
14	1817
15	1
16	362
17	3141
18	4
19	104
20	50
21	14157
22	251
23	222
24	3
25	27
26	76
27	25
28	5423
29	416
30	73
31	28764
32	181
33	488
34	3860
35	1249
36	2
37	138
38	52
39	1
40	25
41	8734
42	65719
43	7089
44	214
45	15
46	111
47	7
48	990
49	6254
50	20
51	1047
52	38
53	367
54	880
55	435
56	3712
57	3287
58	208
59	5194
60	598

[1, 2, 3, 1, 3, 12, 47, 9, 1, 100, 502, 6, 3, 1817, 1, 362, 3141, 4, 104, 50, 14157, 251, 222, 3, 27, 76, 25, 5423, 416, 73, 28764, 181, 488, 3860, 1249, 2, 138, 52, 1, 25, 8734, 65719, 7089, 214, 15, 111, 7, 990, 6254, 20, 1047, 38, 367, 880, 435, 3712, 3287, 208, 5194, 598]

cp's OEIS Frontend

A253257 Least positive integer k such that prime(k*n) has the form p^2 - 2 with p prime, or 0 if no such k exists.

Table of values

List of values