id:A136242 - OEIS Search Results

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Numbers n among A008864 such that n^2 - n + 1 is prime.

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3, 4, 6, 18, 42, 60, 72, 90, 102, 132, 168, 174, 294, 384, 678, 702, 744, 762, 774, 828, 840, 858, 912, 1092, 1098, 1164, 1182, 1194, 1218, 1374, 1428, 1488, 1560, 1584, 1710, 1812, 1848, 1932, 1974, 2130, 2274, 2310, 2340, 2412, 2664, 2730, 2790, 2958 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`See A053183 for the primes associated with a(n).`
	FORMULA	`a(n) = A053182(n) + 1.`
	CROSSREFS	`Cf. A136243.` `Adjacent sequences: A136239 A136240 A136241 this_sequence A136243 A136244 A136245` `Sequence in context: A122849 A068573 A138577 this_sequence A066732 A038520 A081888`
	KEYWORD	`nonn`
	AUTHOR	`Lekraj Beedassy (blekraj(AT)yahoo.com), Dec 24 2007`

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Last modified January 7 17:35 EST 2009. Contains 152824 sequences.

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