A327581 - cp's OEIS frontend

A327581 a(1) is the smallest prime p such that 6p^2-1 and 6p^2+1 are twin primes; for n > 1, a(n) is the smallest prime q > a(n-1) such that 6q^prime(n)-1 and 6q^prime(n)+1 are twin primes or 0 if no solution exists.

n	a(n)
1	5
2	0
3	2557
4	51137
5	52057
6	55373
7	88867
8	95273
9	179947
10	236653
11	993647
12	1010467
13	1935533
14	2031767
15	2138803
16	2849317
17	8031343
18	11696563
19	11715133
20	18125993
21	22615493
22	26766633
23	26801393
24	29963077
25	39377893
26	58282927
27	70354657
28	98988257
29	119772847
30	141442493
31	145460123

[5, 0, 2557, 51137, 52057, 55373, 88867, 95273, 179947, 236653, 993647, 1010467, 1935533, 2031767, 2138803, 2849317, 8031343, 11696563, 11715133, 18125993, 22615493, 26766633, 26801393, 29963077, 39377893, 58282927, 70354657, 98988257, 119772847, 141442493, 145460123]

cp's OEIS Frontend

A327581 a(1) is the smallest prime p such that 6p^2-1 and 6p^2+1 are twin primes; for n > 1, a(n) is the smallest prime q > a(n-1) such that 6q^prime(n)-1 and 6q^prime(n)+1 are twin primes or 0 if no solution exists.

Table of values

List of values

cp's OEIS Frontend

A327581 a(1) is the smallest prime p such that 6*p^2-1 and 6*p^2+1 are twin primes; for n > 1, a(n) is the smallest prime q > a(n-1) such that 6*q^prime(n)-1 and 6*q^prime(n)+1 are twin primes or 0 if no solution exists.

Table of values

List of values

A327581 a(1) is the smallest prime p such that 6p^2-1 and 6p^2+1 are twin primes; for n > 1, a(n) is the smallest prime q > a(n-1) such that 6q^prime(n)-1 and 6q^prime(n)+1 are twin primes or 0 if no solution exists.