id:A094897 - OEIS Search Results

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a(n) = if 4*n+1 isn't prime and 4*n+3 is prime then 4*n+3

+0
2

3, 0, 11, 0, 0, 23, 0, 0, 0, 0, 0, 47, 0, 0, 59, 0, 67, 71, 0, 79, 83, 0, 0, 0, 0, 0, 107, 0, 0, 0, 0, 127, 131, 0, 0, 0, 0, 0, 0, 0, 163, 167, 0, 0, 179, 0, 0, 191, 0, 0, 0, 0, 211, 0, 0, 223, 227, 0, 0, 239, 0, 0, 251, 0, 0, 263, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 307, 311, 0, 0, 0, 0, 331, 0 (list; graph; listen)

	OFFSET	`0,1`
	MATHEMATICA	`a=Table[If[PrimeQ[4n+1]==False&&PrimeQ[4n+3]==True, 4*n+3, 0], {n, 0, 200}]`
	CROSSREFS	`Sequence in context: A095200 A090460 A071983 this_sequence A019264 A028851 A132221` `Adjacent sequences: A094894 A094895 A094896 this_sequence A094898 A094899 A094900`
	KEYWORD	`nonn`
	AUTHOR	`Roger L. Bagula (rlbagulatftn(AT)yahoo.com), Jun 14 2004`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

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