A092792 First prime in n# + m.

2, 5, 7, 13, 11, 13, 19, 17, 19, 229, 23, 29, 31, 29, 31, 37, 37, 43, 41, 43, 73, 47, 53, 79, 53, 59, 61, 59, 61, 67, 67, 73, 71, 73, 79, 79, 109, 83, 89, 89, 2399, 97, 97, 103, 101, 103, 109, 107, 109, 139, 113, 2423, 149, 127, 127, 157, 131, 137, 139, 137, 139, 349

Offset

2,1

Links

Table of n, a(n) for n=2..63.

Formula

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

Prog

(PARI) npmorpm2(n) = { forstep(p=1, n, 2, 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: A041517 A041975 A042577 * A238336 A083271 A094285

Adjacent sequences: A092789 A092790 A092791 * A092793 A092794 A092795

Keyword

hard,nonn

Author

Cino Hilliard, Apr 15 2004

Status

approved