id:A034934 - OEIS Search Results

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Numbers n such that (3*n + 1)/2 is prime.

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1, 2, 3, 7, 11, 15, 19, 27, 31, 35, 39, 47, 55, 59, 67, 71, 75, 87, 91, 99, 111, 115, 119, 127, 131, 151, 155, 159, 167, 171, 175, 179, 187, 195, 207, 211, 231, 235, 239, 255, 259, 267, 279, 287, 295, 299, 307, 311, 319, 327, 335, 339, 347, 371, 375, 379, 391 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`Related to hyperperfect numbers of a certain form.`
	LINKS	`J. S. McCranie, A study of hyperperfect numbers, J. Int. Seqs. Vol. 3 (2000) #P00.1.3`
	CROSSREFS	`Cf. A038536 and A045309.` `Sequence in context: A038895 A113244 A040152 this_sequence A092353 A100963 A040103` `Adjacent sequences: A034931 A034932 A034933 this_sequence A034935 A034936 A034937`
	KEYWORD	`nonn`
	AUTHOR	`Jud McCranie (j.mccranie(AT)comcast.net)`

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Last modified July 26 23:19 EDT 2008. Contains 142293 sequences.

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