A096212 Primes of the form 10^n + 10^(n-4) - 1.

1000099, 1000099999, 1000099999999999999, 1000099999999999999999999999999, 1000099999999999999999999999999999, 10000999999999999999999999999999999999999

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 A357098

Adjacent sequences: A096209 A096210 A096211 * A096213 A096214 A096215

Keyword

nonn

Author

Cino Hilliard, Jul 28 2004

Status

approved