A173415 - cp's OEIS frontend

A173415 Numbers n such that both the difference and the sum of (n-th prime+1)^2 and (n-th prime)^2 are prime.

n	a(n)
1	1
2	3
3	10
4	128
5	201
6	223
7	246
8	309
9	357
10	393
11	424
12	482
13	526
14	815
15	887
16	909
17	1014
18	1196
19	1543
20	1610
21	1653
22	1674
23	1743
24	2219
25	2302
26	2339
27	2371
28	2475
29	2513
30	2611
31	2948
32	3107
33	3273
34	3419
35	3434
36	3516
37	3555
38	3593
39	4070
40	4203
41	4288
42	4332
43	4389
44	4428
45	4724
46	4793

[1, 3, 10, 128, 201, 223, 246, 309, 357, 393, 424, 482, 526, 815, 887, 909, 1014, 1196, 1543, 1610, 1653, 1674, 1743, 2219, 2302, 2339, 2371, 2475, 2513, 2611, 2948, 3107, 3273, 3419, 3434, 3516, 3555, 3593, 4070, 4203, 4288, 4332, 4389, 4428, 4724, 4793]

cp's OEIS Frontend

A173415 Numbers n such that both the difference and the sum of (n-th prime+1)^2 and (n-th prime)^2 are prime.

Table of values

List of values