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A092728 Primes p such that p(n)*p(n+1)-4 is a prime. 0
2, 3, 5, 7, 11, 19, 41, 43, 71, 79, 89, 101, 113, 127, 139, 197, 229, 359, 397, 431, 463, 499, 683, 709, 773, 857, 881, 967, 1009, 1031, 1109, 1151, 1213, 1279, 1297, 1373, 1423, 1427, 1447, 1451, 1559, 1597, 1607, 1699, 1783, 1787, 1823, 1951, 1993, 2081 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

MATHEMATICA

Transpose[Select[Partition[Prime[Range[500]], 2, 1], PrimeQ[Times@@#- 4]&]] [[1]] (* From Harvey P. Dale, Jan 22 2012 *)

CROSSREFS

Sequence in context: A057429 A065726 A118985 * A089769 A033274 A071062

Adjacent sequences:  A092725 A092726 A092727 * A092729 A092730 A092731

KEYWORD

nonn

AUTHOR

Giovanni Teofilatto (g.teofilatto(AT)tiscalinet.it), Apr 12 2004

EXTENSIONS

Corrected and extended by Harvey P. Dale, Jan 22 2012

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Last modified February 14 01:35 EST 2012. Contains 205567 sequences.