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A095373 Integers n such that A095372(n) = 1+90*(-1+100^n)/99 is prime. 1

%I #7 Oct 15 2013 22:32:24

%S 2,3,8,15,26,33,146,320,1068,1505

%N Integers n such that A095372(n) = 1+90*(-1+100^n)/99 is prime.

%e Corresponding primes are: 9091, 909091, 909090909090909091, 909090909090909090909090909091, ...

%t {ta=Table[0, {100}], u=1}; Do[s=1+(90*(100^n-1)/99);If[PrimeQ[s], Print[{n, s}]; ta[[u]]=s;u=u+1], {n, 1, 320}] ta

%Y Cf. A095372, A002275, A095370, A095371.

%K more,nonn

%O 1,1

%A _Labos Elemer_, Jun 07 2004

%E a(9)-a(10) from _Max Alekseyev_, Jan 28 2012

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Last modified June 25 10:28 EDT 2024. Contains 373701 sequences. (Running on oeis4.)