id:A006553 - OEIS Search Results

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Numbers n such that n*3^n - 1 is prime.
(Formerly M1575)

+0
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1, 2, 6, 10, 18, 40, 46, 86, 118, 170, 1172, 1698, 1810, 2268, 4338, 18362, 72662, 88392, 94110, 161538, 168660, 292340, 401208 (list; graph; listen)

	OFFSET	`1,2`
	LINKS	`Steven Harvey, Generalized Woodall Search`
	CROSSREFS	`Adjacent sequences: A006550 A006551 A006552 this_sequence A006554 A006555 A006556` `Sequence in context: A095357 A095358 A084481 this_sequence A054273 A127567 A005993`
	KEYWORD	`hard,nonn`
	AUTHOR	`njas`
	EXTENSIONS	`More terms from Jud McCranie (j.mccranie(AT)comcast.net)` `More terms from Herman Jamke (hermanjamke(AT)fastmail.fm), Jan 05 2008`

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Last modified October 7 08:31 EDT 2008. Contains 144667 sequences.

AT&T Labs Research