id:A086816 - OEIS Search Results

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Smaller member of a twin prime pair with a triangular sum.

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17, 59, 137, 149, 1277, 1619, 2729, 4127, 6359, 11717, 13397, 17489, 20807, 23027, 28307, 29669, 51869, 61379, 69827, 73847, 78539, 92567, 97499, 115769, 138569, 166667, 176609, 193379, 200927, 258317, 304979, 430007, 500909, 518759, 536189 (list; graph; listen)

	OFFSET	`0,1`
	COMMENT	`It is easily shown that all terms end in 7 or 9.`
	EXAMPLE	`59 is a term because it is the smaller member of the twin prime pair (59,61) and 59 + 61 = 120 = 15*(15+1)/2.`
	CROSSREFS	`Cf. A000217, A001359.` `Sequence in context: A141896 A104165 A031391 this_sequence A094207 A141853 A139906` `Adjacent sequences: A086813 A086814 A086815 this_sequence A086817 A086818 A086819`
	KEYWORD	`nonn`
	AUTHOR	`Jason Earls (zevi_35711(AT)yahoo.com), Aug 06 2003`

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Last modified September 8 08:06 EDT 2008. Contains 143486 sequences.

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