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Zak Seidov, Table of n, a(n) for n = 1..1000
Select[Range[6! ], PrimeQ[30*#-1]&&PrimeQ[30*#+1]&]
Sequence in context: A261905 A047325 A102611 * A057915 A154329 A176590
Adjacent sequences: A176111 A176112 A176113 * A176115 A176116 A176117
Vladimir Joseph Stephan Orlovsky, Apr 08 2010