A227421 - cp's OEIS frontend

A227421 Primes p such that 2*p = prime(m) + prime(m + k) for some k > 2, where prime(m) and p or p and prime(m + k) are consecutive primes.

n	a(n)
1	7
2	23
3	37
4	47
5	67
6	73
7	233
8	277
9	353
10	479
11	613
12	619
13	631
14	647
15	809
16	1009
17	1069
18	1097
19	1283
20	1297
21	1433
22	1453
23	1459
24	1471
25	1493
26	1499
27	1607
28	1613
29	1663
30	1709
31	1721
32	1759
33	1783
34	1789
35	1867
36	1889
37	1901
38	1931
39	1993
40	2099
41	2137
42	2161
43	2377
44	2383
45	2411
46	2521
47	2621

[7, 23, 37, 47, 67, 73, 233, 277, 353, 479, 613, 619, 631, 647, 809, 1009, 1069, 1097, 1283, 1297, 1433, 1453, 1459, 1471, 1493, 1499, 1607, 1613, 1663, 1709, 1721, 1759, 1783, 1789, 1867, 1889, 1901, 1931, 1993, 2099, 2137, 2161, 2377, 2383, 2411, 2521, 2621]

cp's OEIS Frontend

A227421 Primes p such that 2*p = prime(m) + prime(m + k) for some k > 2, where prime(m) and p or p and prime(m + k) are consecutive primes.

Table of values

List of values