A076210 - OEIS

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A076210

Numbers n such that (-n!!+(n+1)!!+1)/2 is prime.

3, 5, 6, 8, 13, 14, 27, 112, 531, 3795, 4269, 4587, 4910 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,1`
	CROSSREFS	`Cf. A006882 (double factorials), A076208, A076209, A076211.` `Sequence in context: A089085 A033163 A039869 * A039014 A102989 A005623` `Adjacent sequences: A076207 A076208 A076209 * A076211 A076212 A076213`
	KEYWORD	`nonn`
	AUTHOR	`Zak Seidov (zakseidov(AT)yahoo.com), Nov 02 2002`
	EXTENSIONS	`More terms (checked n<5000) from Hugo Pfoertner (hugo(AT)pfoertner.org), Jun 22 2003`

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Last modified February 17 04:44 EST 2012. Contains 205983 sequences.