id:A143206 - OEIS Search Results

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Product of the n-th cousin prime pair.

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21, 77, 221, 437, 1517, 2021, 4757, 6557, 9797, 11021, 12317, 16637, 27221, 38021, 50621, 53357, 77837, 95477, 99221, 123197, 145157, 159197, 194477, 210677, 216221, 239117, 250997, 378221, 416021, 455621, 549077, 576077, 594437, 680621 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`a(n) = A023200(n)*A046132(n);` `intersection of A143203 and A001358.`
	LINKS	`Eric Weisstein's World of Mathematics, Cousin Primes`
	EXAMPLE	`a(1) = 37 = 3(3+4) = 21;` `a(2) = 711 = 7(7+4) = 77;` `a(3) = 1317 = 13(13+4) = 221;` `a(4) = 1923 = 19(19+4) = 437.`
	CROSSREFS	`Cf. A037074, A111192.` `Sequence in context: A109357 A082041 A085027 this_sequence A045559 A144314 A010009` `Adjacent sequences: A143203 A143204 A143205 this_sequence A143207 A143208 A143209`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Aug 12 2008`

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Last modified March 20 09:10 EDT 2010. Contains 173642 sequences.

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