A257856 - cp's OEIS frontend

A257856 Least positive integer k such that prime(k*n) - prime(k) is a square.

n	a(n)
1	1
2	1
3	5
4	2
5	1
6	291
7	4
8	31
9	4
10	131
11	66
12	8
13	113
14	4
15	1770
16	19
17	122
18	27
19	509
20	61
21	138
22	1484
23	1
24	508
25	118
26	1033
27	48
28	314
29	78
30	1522
31	4
32	8
33	169
34	341
35	650
36	37
37	3456
38	1172
39	221
40	21
41	119
42	105
43	34
44	670
45	196
46	19
47	30
48	4
49	1
50	88
51	496
52	30
53	1460
54	90
55	12
56	1270
57	812
58	2096
59	311
60	131
61	95
62	241
63	198
64	34
65	19
66	63
67	8
68	75
69	2
70	10413

[1, 1, 5, 2, 1, 291, 4, 31, 4, 131, 66, 8, 113, 4, 1770, 19, 122, 27, 509, 61, 138, 1484, 1, 508, 118, 1033, 48, 314, 78, 1522, 4, 8, 169, 341, 650, 37, 3456, 1172, 221, 21, 119, 105, 34, 670, 196, 19, 30, 4, 1, 88, 496, 30, 1460, 90, 12, 1270, 812, 2096, 311, 131, 95, 241, 198, 34, 19, 63, 8, 75, 2, 10413]

cp's OEIS Frontend

A257856 Least positive integer k such that prime(k*n) - prime(k) is a square.

Table of values

List of values