A228490 - cp's OEIS frontend

A228490 Numbers k for which prime(1) + ... + prime(k) = 2*prime(m) for some m.

n	a(n)
1	3
2	7
3	55
4	59
5	65
6	75
7	93
8	133
9	137
10	141
11	249
12	277
13	313
14	365
15	375
16	387
17	391
18	435
19	471
20	499
21	563
22	573
23	597
24	605
25	619
26	645
27	675
28	719
29	787
30	797
31	799
32	815
33	825
34	845
35	867
36	879
37	919
38	937
39	957
40	971
41	1011
42	1013
43	1145
44	1217
45	1225
46	1243
47	1251
48	1271
49	1283
50	1311
51	1373

[3, 7, 55, 59, 65, 75, 93, 133, 137, 141, 249, 277, 313, 365, 375, 387, 391, 435, 471, 499, 563, 573, 597, 605, 619, 645, 675, 719, 787, 797, 799, 815, 825, 845, 867, 879, 919, 937, 957, 971, 1011, 1013, 1145, 1217, 1225, 1243, 1251, 1271, 1283, 1311, 1373]

cp's OEIS Frontend

A228490 Numbers k for which prime(1) + ... + prime(k) = 2*prime(m) for some m.

Table of values

List of values