OFFSET
1,2
COMMENTS
These primes sets are just like 3k-4 and 3k-2 (or 6k-1 and 6*k+1) prime pairs, only five in a row.
LINKS
Aaron Toponce, Table of n, a(n) for n = 1..1000
EXAMPLE
k = 1: 11, 13, 17, 19, 23,
k = 10: 101, 103, 107, 109, 113,
k = 148: 1481, 1483, 1487, 1489, 1493,
k = 1606: 16061, 16063, 16067, 16069, 16073,
k = 1942: 19421, 19423, 19427, 19429, 19433,
k = 2101: 21011, 21013, 21017, 21019, 21023,
k = 2227: 22271, 22273, 22277, 22279, 22283
MATHEMATICA
Flatten[Table[If[PrimeQ[10* n + 1] && PrimeQ[10*n + 3] && PrimeQ[10*n + 7] && PrimeQ[10*n + 9] && PrimeQ[10*(n + 1) + 3], n, {}], {n, 0, 50000}]]
PROG
(Magma) [n: n in [0..1000]| IsPrime(10*n+1) and IsPrime(10*n+3) and IsPrime(10*n+7) and IsPrime(10*n+9) and IsPrime(10*n+13)] // Vincenzo Librandi, Nov 30 2010
CROSSREFS
KEYWORD
nonn
AUTHOR
Roger L. Bagula, May 19 2010
EXTENSIONS
More terms from Vincenzo Librandi, May 23 2010
STATUS
approved