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A165986 Even semiprimes n such that the largest prime factor + 4 is prime. Also semiprimes n such that n+ 8 is semiprime. +0
2
6, 14, 26, 38, 74 (list; graph; listen)
OFFSET

1,1
CROSSREFS

Sequence in context: A095794 A119867 A026055 this_sequence A131951 A093776 A107317

Adjacent sequences: A165983 A165984 A165985 this_sequence A165987 A165988 A165989

KEYWORD

nonn

AUTHOR

Giovanni Teofilatto (g.teofilatto(AT)tiscalinet.it), Oct 03 2009

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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