A277123 - cp's OEIS frontend

A277123 Numbers k such that 1 + Sum_{j=1..k} prime(j)^2 is prime.

n	a(n)
1	1
2	11
3	19
4	29
5	37
6	73
7	97
8	155
9	163
10	175
11	191
12	257
13	295
14	313
15	325
16	341
17	365
18	389
19	391
20	409
21	415
22	461
23	491
24	497
25	515
26	599
27	697
28	715
29	757
30	761
31	767
32	775
33	785
34	793
35	857
36	875
37	895
38	899
39	905
40	919
41	1099
42	1109
43	1117
44	1139
45	1151
46	1163
47	1225
48	1271
49	1279
50	1295
51	1309

[1, 11, 19, 29, 37, 73, 97, 155, 163, 175, 191, 257, 295, 313, 325, 341, 365, 389, 391, 409, 415, 461, 491, 497, 515, 599, 697, 715, 757, 761, 767, 775, 785, 793, 857, 875, 895, 899, 905, 919, 1099, 1109, 1117, 1139, 1151, 1163, 1225, 1271, 1279, 1295, 1309]

cp's OEIS Frontend

A277123 Numbers k such that 1 + Sum_{j=1..k} prime(j)^2 is prime.

Table of values

List of values