A154672 - cp's OEIS frontend

A154672 Numbers n = 5k^2 such that n - 1 and n + 1 are (twin) primes (thus k=6m).

n	a(n)
1	180
2	1620
3	8820
4	35280
5	87120
6	151380
7	302580
8	380880
9	691920
10	737280
11	808020
12	1393920
13	5020020
14	5767380
15	7712820
16	9604980
17	10281780
18	11160180
19	12450420
20	12736080
21	14723280
22	15138000
23	17186580
24	17860500
25	18663120
26	18779220
27	19129680
28	21300480

[180, 1620, 8820, 35280, 87120, 151380, 302580, 380880, 691920, 737280, 808020, 1393920, 5020020, 5767380, 7712820, 9604980, 10281780, 11160180, 12450420, 12736080, 14723280, 15138000, 17186580, 17860500, 18663120, 18779220, 19129680, 21300480]

cp's OEIS Frontend

A154672 Numbers n = 5k^2 such that n - 1 and n + 1 are (twin) primes (thus k=6m).

Table of values

List of values

cp's OEIS Frontend

A154672 Numbers n = 5*k^2 such that n - 1 and n + 1 are (twin) primes (thus k=6*m).

Table of values

List of values

A154672 Numbers n = 5k^2 such that n - 1 and n + 1 are (twin) primes (thus k=6m).