id:A034936 - OEIS Search Results

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Numbers n such that 3*n+4 is prime.

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1, 3, 5, 9, 11, 13, 19, 21, 23, 25, 31, 33, 35, 41, 45, 49, 51, 53, 59, 63, 65, 69, 73, 75, 79, 89, 91, 93, 101, 103, 109, 111, 115, 121, 123, 125, 131, 135, 139, 143, 145, 151, 153, 161, 165, 173, 179, 181, 189, 191, 199, 201, 203, 205, 209, 213, 219, 223, 229 (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`
	FORMULA	`a(n) = A024892(n)-1 = 2*A024899(n)-1.`
	CROSSREFS	`Cf. A038536 and A002476.` `A002476 gives primes, A091178 gives prime index.` `Adjacent sequences: A034933 A034934 A034935 this_sequence A034937 A034938 A034939` `Sequence in context: A088607 A047623 A007950 this_sequence A003071 A109324 A047270`
	KEYWORD	`nonn`
	AUTHOR	`Jud McCranie (j.mccranie(AT)comcast.net)`

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Last modified May 16 23:01 EDT 2008. Contains 139884 sequences.

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