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A106059
Primes p such that p + 6 and 6*p + 1 are primes.
1
5, 7, 11, 13, 17, 23, 37, 47, 61, 73, 83, 101, 103, 107, 131, 151, 173, 233, 257, 263, 271, 277, 311, 331, 347, 367, 373, 443, 461, 503, 557, 593, 601, 607, 641, 653, 727, 751, 853, 941, 947, 971, 1013, 1033, 1063, 1091, 1103, 1117, 1283, 1321, 1361
OFFSET
1,1
LINKS
MATHEMATICA
Select[Prime[Range[220]], PrimeQ[6#+1]&&PrimeQ[1#+6]&]
PROG
(Magma) [p: p in PrimesUpTo(5000)|IsPrime(p+6) and IsPrime(6*p+1)]; // Vincenzo Librandi, Jan 30 2011
CROSSREFS
Sequence in context: A243593 A015914 A023201 * A102386 A348936 A346990
KEYWORD
nonn
AUTHOR
Zak Seidov, May 07 2005
STATUS
approved