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A062506 n divisible by at least one twin prime (A001097). 1
3, 5, 6, 7, 9, 10, 11, 12, 13, 14, 15, 17, 18, 19, 20, 21, 22, 24, 25, 26, 27, 28, 29, 30, 31, 33, 34, 35, 36, 38, 39, 40, 41, 42, 43, 44, 45, 48, 49, 50, 51, 52, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 65, 66, 68, 69, 70, 71, 72, 73, 75, 76, 77, 78, 80, 81, 82, 84, 85, 86, 87 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Complement of A062729.

LINKS

Table of n, a(n) for n=1..71.

EXAMPLE

36 is included because 36 is divisible by 3 and 3+2 is a prime.

PROG

(PARI) isok(n) = {my(f = factor(n)); for (i=1, #f~, p = f[i, 1]; if (isprime(p-2) || isprime(p+2), return (1)); ); return (0); } \\ Michel Marcus, May 20 2014

CROSSREFS

Sequence in context: A057716 A138591 A136492 * A213199 A184987 A242437

Adjacent sequences:  A062503 A062504 A062505 * A062507 A062508 A062509

KEYWORD

nonn

AUTHOR

Leroy Quet, Jul 09 2001

EXTENSIONS

Offset changed to 1 by Michel Marcus, May 20 2014

STATUS

approved

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Last modified August 27 17:19 EDT 2015. Contains 261095 sequences.