A164621 - cp's OEIS frontend

A164621 Primes p such that pfloor(p/2)-2 and pfloor(p/2)+2 are also prime numbers.

n	a(n)
1	7
2	31
3	79
4	211
5	271
6	751
7	787
8	1231
9	1447
10	1459
11	2347
12	2551
13	3727
14	5119
15	6427
16	6691
17	8467
18	8707
19	9007
20	10099
21	10531
22	10567
23	10831
24	11959
25	18691
26	21487
27	22039
28	22567
29	23059
30	23167
31	23371
32	24379
33	24499
34	25171
35	26371
36	27967
37	28579
38	28591
39	29287

[7, 31, 79, 211, 271, 751, 787, 1231, 1447, 1459, 2347, 2551, 3727, 5119, 6427, 6691, 8467, 8707, 9007, 10099, 10531, 10567, 10831, 11959, 18691, 21487, 22039, 22567, 23059, 23167, 23371, 24379, 24499, 25171, 26371, 27967, 28579, 28591, 29287]

cp's OEIS Frontend

A164621 Primes p such that pfloor(p/2)-2 and pfloor(p/2)+2 are also prime numbers.

Table of values

List of values

cp's OEIS Frontend

A164621 Primes p such that p*floor(p/2)-2 and p*floor(p/2)+2 are also prime numbers.

Table of values

List of values

A164621 Primes p such that pfloor(p/2)-2 and pfloor(p/2)+2 are also prime numbers.