A216880 - cp's OEIS frontend

A216880 Numbers of the form 3p - 2 where p and 6p + 1 are prime.

n	a(n)
1	4
2	7
3	13
4	19
5	31
6	37
7	49
8	67
9	109
10	139
11	181
12	217
13	247
14	301
15	307
16	319
17	391
18	409
19	451
20	517
21	541
22	697
23	721
24	769
25	787
26	811
27	829
28	847
29	877
30	931
31	937
32	991
33	1039
34	1099
35	1117
36	1189
37	1327
38	1381
39	1399
40	1507
41	1669
42	1729
43	1777
44	1801
45	1819
46	1921
47	1957
48	1981
49	2047
50	2179
51	2251
52	2281

[4, 7, 13, 19, 31, 37, 49, 67, 109, 139, 181, 217, 247, 301, 307, 319, 391, 409, 451, 517, 541, 697, 721, 769, 787, 811, 829, 847, 877, 931, 937, 991, 1039, 1099, 1117, 1189, 1327, 1381, 1399, 1507, 1669, 1729, 1777, 1801, 1819, 1921, 1957, 1981, 2047, 2179, 2251, 2281]

cp's OEIS Frontend

A216880 Numbers of the form 3p - 2 where p and 6p + 1 are prime.

Table of values

List of values