A092963 - OEIS

A092963

Primes n*A092961(n) + 1.

5, 11, 31, 37, 131, 79, 547, 137, 577, 211, 617, 733, 521, 3347, 691, 1297, 4931, 991, 1103, 821, 3109, 991, 3727, 1753, 1901, 3407, 3673, 1597, 9281, 1831, 16369, 2081, 3301, 2347, 23311, 9109, 6883, 2927, 4603, 27241, 8447, 3571, 5591, 3917, 6121

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OFFSET

1,1

LINKS

Table of n, a(n) for n=1..45.

PROG

(PARI) a(n)=for(i=1, 10+n^3, if(Mod(i-1, n)==0 && isprime((i-1)/n) && isprime(i*n+1), return(i*n+1)))

CROSSREFS

Cf. A092961, A092962.

Sequence in context: A257717 A192194 A239842 * A191069 A045453 A052228

Adjacent sequences: A092960 A092961 A092962 * A092964 A092965 A092966

KEYWORD

nonn

AUTHOR

Amarnath Murthy, Mar 25 2004

EXTENSIONS

More terms from Mohammed Bouayoun (bouyao(AT)wanadoo.fr), Mar 26 2004

STATUS

approved