A261437 - cp's OEIS frontend

A261437 Least positive integer k such that kn+1 = prime(p) and k^2n+1 = prime(q) for some pair of primes p and q.

n	a(n)
1	2
2	1
3	286
4	1
5	7290
6	21
7	18
8	2472
9	12
10	1
11	20460
12	20
13	20692
14	105
15	4392
16	1
17	96816
18	1327
19	360
20	264
21	19850
22	2734
23	1854
24	5293
25	930
26	29526
27	98
28	622
29	9222
30	1
31	6816
32	924
33	61614
34	70
35	53760
36	45
37	32190
38	9687
39	5510
40	1
41	128070
42	148
43	8772
44	23478
45	404
46	801
47	1830
48	5
49	9912
50	7662
51	1100
52	8211
53	1116
54	9997
55	630
56	4965
57	936
58	1
59	87570
60	759

[2, 1, 286, 1, 7290, 21, 18, 2472, 12, 1, 20460, 20, 20692, 105, 4392, 1, 96816, 1327, 360, 264, 19850, 2734, 1854, 5293, 930, 29526, 98, 622, 9222, 1, 6816, 924, 61614, 70, 53760, 45, 32190, 9687, 5510, 1, 128070, 148, 8772, 23478, 404, 801, 1830, 5, 9912, 7662, 1100, 8211, 1116, 9997, 630, 4965, 936, 1, 87570, 759]

cp's OEIS Frontend

A261437 Least positive integer k such that kn+1 = prime(p) and k^2n+1 = prime(q) for some pair of primes p and q.

Table of values

List of values

cp's OEIS Frontend

A261437 Least positive integer k such that k*n+1 = prime(p) and k^2*n+1 = prime(q) for some pair of primes p and q.

Table of values

List of values

A261437 Least positive integer k such that kn+1 = prime(p) and k^2n+1 = prime(q) for some pair of primes p and q.