A158719 - cp's OEIS frontend

A158719 Primes p such that p1 = floor(p/2)+p is not prime and p2 = ceiling(p/2)+p is not prime, p3 = floor(p1/2)+p1 is not prime and p5 = ceiling(p1/2)+p1 is not prime, p4 = floor(p2/2)+p2 is not prime and p6 = ceiling(p2/2)+p2 is not prime.

n	a(n)
1	83
2	97
3	113
4	227
5	229
6	251
7	269
8	271
9	277
10	283
11	313
12	317
13	331
14	353
15	389
16	397
17	419
18	433
19	457
20	463
21	491
22	503
23	509
24	523
25	557
26	563
27	593
28	599
29	601
30	617
31	641
32	653
33	683
34	691
35	733
36	743
37	751
38	757
39	761
40	773
41	797
42	823
43	829
44	857
45	863
46	937
47	941
48	971
49	977
50	1013
51	1031
52	1049

[83, 97, 113, 227, 229, 251, 269, 271, 277, 283, 313, 317, 331, 353, 389, 397, 419, 433, 457, 463, 491, 503, 509, 523, 557, 563, 593, 599, 601, 617, 641, 653, 683, 691, 733, 743, 751, 757, 761, 773, 797, 823, 829, 857, 863, 937, 941, 971, 977, 1013, 1031, 1049]

cp's OEIS Frontend

A158719 Primes p such that p1 = floor(p/2)+p is not prime and p2 = ceiling(p/2)+p is not prime, p3 = floor(p1/2)+p1 is not prime and p5 = ceiling(p1/2)+p1 is not prime, p4 = floor(p2/2)+p2 is not prime and p6 = ceiling(p2/2)+p2 is not prime.

Table of values

List of values