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A014683 In the sequence of positive integers add 1 to each prime number. 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; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

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

PROG

(PARI) a(n)=n+isprime(n)

CROSSREFS

Sequence in context: A061117 A111234 A215250 * A213222 A166737 A088847

Adjacent sequences:  A014680 A014681 A014682 * A014684 A014685 A014686

KEYWORD

nonn,easy

AUTHOR

Mohammad K. Azarian

EXTENSIONS

More terms from Erich Friedman.

STATUS

approved

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Last modified May 23 16:56 EDT 2013. Contains 225610 sequences.