A092793 First prime in n# + p where p is prime.

3, 5, 7, 13, 13, 19, 19, 229, 29, 31, 37, 43, 43, 73, 53, 59, 61, 67, 73, 73, 79, 109, 89, 2399, 103, 103, 109, 109, 139, 2423, 157, 137, 139, 349, 151, 157, 163, 193, 173, 179, 181, 211, 193, 199, 199, 229

Offset

2,1

Links

Table of n, a(n) for n=2..47.

Formula

n# = n primorial or product of primes up to n

Prog

(PARI) npmorpm2(n) = { forprime(p=3, n, for(x=1, n, y=primorial(x)+p; if(ispseudoprime(y), print1(y", "); break)) ) } primorial(n) = { p1=1; forprime(x=2, n, p1*=x); return(p1) }

Crossrefs

Sequence in context: A121047 A152075 A092789 * A361977 A285130 A024909

Adjacent sequences: A092790 A092791 A092792 * A092794 A092795 A092796

Keyword

nonn

Author

Cino Hilliard, Apr 15 2004

Status

approved