A074282 Numbers k such that 10^999 + k is a (titanic) prime.

7, 663, 2121, 2593, 3561, 4717, 5863, 9459, 11239, 14397, 17289, 18919, 19411, 21667, 25561, 26739, 27759, 28047, 28437, 28989, 35031, 41037, 41409, 41451, 43047, 43269, 43383, 50407, 51043, 52507, 55587, 59877, 61971, 62919, 63177

Offset

1,1

Links

N. J. A. Sloane, Table of n, a(n) for n = 1..101, taken from the Andersen link below.

Jens Kruse Andersen, Invitation for 101 titanic helpers

Jens Kruse Andersen and others, Invitation for 101 titanic helpers, digest of 19 messages in primeform Yahoo group, Jan 7 - Jan 12, 2005.

Eric Weisstein's World of Mathematics, Titanic Prime

Example

a(2)=663 because 10^999 + 663 is the 2nd titanic prime.

Mathematica

Select[Range[65000], PrimeQ[10^999 + # ] &]

Prog

(PARI) for(n=1, 10^5, if(gcd(n, 10)==1, if(ispseudoprime(10^999+n), print1(n, ", ")))) \\ Felix Fröhlich, Jun 22 2014

Crossrefs

Sequence in context: A092326 A344049 A347507 * A171737 A013568 A174853

Adjacent sequences: A074279 A074280 A074281 * A074283 A074284 A074285

Keyword

nonn

Author

Shyam Sunder Gupta, Sep 21 2002

Extensions

Extended by Ray Chandler, Jan 08 2005

Corrected by Jens Kruse Andersen, Mar 05 2008

Status

approved