A256753 - cp's OEIS frontend

A256753 Numbers n such that n is both the average of some twin prime pair p, q (q = p+2) (i.e., n = p+1 = q-1) and is also the average of the prime before p and the prime after q.

n	a(n)
1	12
2	18
3	30
4	42
5	60
6	102
7	108
8	228
9	270
10	312
11	420
12	462
13	570
14	600
15	858
16	882
17	1050
18	1092
19	1230
20	1290
21	1302
22	1428
23	1488
24	1620
25	1872
26	1998
27	2028
28	2340
29	2550
30	2688
31	2730
32	3390
33	3462
34	3540
35	3582
36	4020
37	4230
38	4242
39	4272
40	4338
41	4518
42	4650
43	4788

[12, 18, 30, 42, 60, 102, 108, 228, 270, 312, 420, 462, 570, 600, 858, 882, 1050, 1092, 1230, 1290, 1302, 1428, 1488, 1620, 1872, 1998, 2028, 2340, 2550, 2688, 2730, 3390, 3462, 3540, 3582, 4020, 4230, 4242, 4272, 4338, 4518, 4650, 4788]

cp's OEIS Frontend

A256753 Numbers n such that n is both the average of some twin prime pair p, q (q = p+2) (i.e., n = p+1 = q-1) and is also the average of the prime before p and the prime after q.

Table of values

List of values