A208293 - cp's OEIS frontend

A208293 Numbers n such that (n^2+1)/26 is prime.

n	a(n)
1	21
2	31
3	109
4	125
5	135
6	151
7	161
8	229
9	281
10	291
11	359
12	369
13	385
14	525
15	541
16	551
17	619
18	629
19	645
20	671
21	681
22	749
23	759
24	801
25	879
26	941
27	1009
28	1019
29	1035
30	1149
31	1165
32	1175
33	1399
34	1425
35	1435
36	1529
37	1539
38	1555
39	1565
40	1581
41	1669
42	1685
43	1695
44	1799
45	1851
46	1919
47	1945
48	1971

[21, 31, 109, 125, 135, 151, 161, 229, 281, 291, 359, 369, 385, 525, 541, 551, 619, 629, 645, 671, 681, 749, 759, 801, 879, 941, 1009, 1019, 1035, 1149, 1165, 1175, 1399, 1425, 1435, 1529, 1539, 1555, 1565, 1581, 1669, 1685, 1695, 1799, 1851, 1919, 1945, 1971]

cp's OEIS Frontend

A208293 Numbers n such that (n^2+1)/26 is prime.

Table of values

List of values