A171748 - OEIS

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A171748

Primes of the form (2+n)*(1+2*n)+(1+n)*(2+2*n).

17, 67, 149, 263, 409, 587, 797, 1039, 1619, 2729, 3163, 4127, 4657, 5813, 10867, 11717, 13513, 16447, 17489, 20807, 21977, 24413, 25679, 28307, 29669, 31063, 35437, 40099, 50287, 53939, 55813, 57719, 61627, 63629, 69827, 78539, 90149 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,1`
	LINKS	`Table of n, a(n) for n=1..37.`
	EXAMPLE	`17=(1+2)3+(1+3)2.`
	MATHEMATICA	`f[n_]:=(2+n)(1+2n)+(1+n)(2+2n); lst={}; Do[If[PrimeQ[f[n]], AppendTo[lst, f[n]]], {n, 6!}]; lst`
	CROSSREFS	`Sequence in context: A180529 A214032 A039452 * A141940 A209078 A041556` `Adjacent sequences: A171745 A171746 A171747 * A171749 A171750 A171751`
	KEYWORD	`nonn`
	AUTHOR	`Vladimir Joseph Stephan Orlovsky, Dec 17 2009`
	STATUS	`approved`

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Last modified May 19 07:18 EDT 2013. Contains 225429 sequences.