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A120382 Even numbers n such that 3*n-1 and 3*n+1 are not prime. +0
1
40, 48, 62, 68, 72, 82, 96, 100, 108, 114, 138, 142, 158, 172, 176, 178, 184, 194 (list; graph; listen)
OFFSET

1,1
CROSSREFS

Sequence in context: A046429 A046796 A114839 this_sequence A062909 A167327 A012871

Adjacent sequences: A120379 A120380 A120381 this_sequence A120383 A120384 A120385

KEYWORD

easy,nonn

AUTHOR

Pierre CAMI (pierrecami(AT)tele2.fr), Jun 29 2006

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Last modified December 16 17:18 EST 2009. Contains 170825 sequences.

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