A193825 - OEIS

%I #6 Mar 31 2012 13:48:31

%S 97,99989,9999999999999999999999999999999999999827,

%T 999999999999999999999999999999999999999999999999999999999999999999653

%N Primes of the form 10^n-prime(n).

%C Next term (n=586) is too large to be listed above. See A110066 for the numbers n which yield further terms of this sequence.

%F a(n)=10^A110066(n)-prime(A110066(n)).

%o (PARI) for(n=1,999, ispseudoprime(t=10^n-prime(n)) && print1(t","))

%Y Cf. A110065, A110066, A110067, A173837, A174176.

%K nonn

%O 1,1

%A _M. F. Hasler_, Aug 06 2011