A269575 - OEIS

A269575

Primes of the form 10^n + 91.

101, 191, 1091, 10091, 100000000091, 1000000000091, 1000000000000091

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OFFSET

1,1

LINKS

FORMULA

a(n)= 10^A110918(n) + 91.

MATHEMATICA

Select[10^Range[10] + 91, PrimeQ] (* Alonso del Arte, Mar 01 2016 *)

PROG

(PARI) lista(nn) = for(n=1, nn, if(ispseudoprime(p=10^n+91), print1(p, ", "))); \\ Altug Alkan, Apr 16 2016

CROSSREFS

KEYWORD

nonn

AUTHOR

STATUS

approved