A062506 n divisible by at least one twin prime (A001097).

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

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 * A308468 A213199 A184987

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