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A096212 Primes of the form 10^n + 10^(n-4) - 1. 0
1000099, 1000099999, 1000099999999999999, 1000099999999999999999999999999, 1000099999999999999999999999999999, 10000999999999999999999999999999999999999 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..6.

PROG

(PARI) f(n, z) = for(x=z, n, y=10^x+10^(x-z)-1; if(ispseudoprime(y), print1(y", ")))

CROSSREFS

Sequence in context: A227138 A227111 A227137 * A065325 A245210 A250698

Adjacent sequences:  A096209 A096210 A096211 * A096213 A096214 A096215

KEYWORD

nonn

AUTHOR

Cino Hilliard, Jul 28 2004

STATUS

approved

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Last modified May 25 00:59 EDT 2019. Contains 323534 sequences. (Running on oeis4.)