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

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

Offset

1,1

Links

Table of n, a(n) for n=1..10.

Example

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

Mathematica

{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

Crossrefs

Cf. A095372, A002275, A095370, A095371.

Sequence in context: A293389 A128035 A003473 * A249357 A291400 A369552

Adjacent sequences: A095370 A095371 A095372 * A095374 A095375 A095376

Keyword

more,nonn

Author

Labos Elemer, Jun 07 2004

Extensions

a(9)-a(10) from Max Alekseyev, Jan 28 2012

Status

approved