1,1

Table of n, a(n) for n=1..92.

(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-1)/n)))

Cf. A092961, A092963.

Sequence in context: A249800 A165258 A238393 * A258778 A112924 A267148

Adjacent sequences: A092959 A092960 A092961 * A092963 A092964 A092965

nonn

Amarnath Murthy, Mar 25 2004

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

approved