id:A014683 - OEIS Search Results

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In the sequence of positive integers add 1 to each prime number.

+0
10

1, 3, 4, 4, 6, 6, 8, 8, 9, 10, 12, 12, 14, 14, 15, 16, 18, 18, 20, 20, 21, 22, 24, 24, 25, 26, 27, 28, 30, 30, 32, 32, 33, 34, 35, 36, 38, 38, 39, 40, 42, 42, 44, 44, 45, 46, 48, 48, 49, 50, 51, 52, 54, 54, 55, 56, 57, 58, 60, 60, 62, 62, 63, 64, 65, 66, 68, 68, 69, 70, 72, 72 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`For n >= 3, a(n) = smallest composite number m such that m - (n-2) is a prime. - Amarnath Murthy (amarnath_murthy(AT)yahoo.com) and Antonio G. Astudillo (afg_astudillo(AT)hotmail.com), Mar 08 2003.`
	LINKS	`N. J. A. Sloane, Table of n, a(n) for n = 1..10000`
	PROGRAM	`(PARI) a(n)=n+isprime(n)`
	CROSSREFS	`Sequence in context: A059179 A061117 A111234 this_sequence A166737 A088847 A120613` `Adjacent sequences: A014680 A014681 A014682 this_sequence A014684 A014685 A014686`
	KEYWORD	`nonn,easy`
	AUTHOR	`Mohammad K. Azarian (ma3(AT)evansville.edu)`
	EXTENSIONS	`More terms from Erich Friedman (erich.friedman(AT)stetson.edu).`

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Last modified December 19 20:59 EST 2009. Contains 171053 sequences.

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