A155021 -id:A155021 - cp's OEIS frontend

A155022 Values of n such that n^a-+a are primes, a=7.

0, 66, 516, 3450, 7200, 8850, 12480, 16500, 18234, 18534, 19440, 21246, 26466, 28596, 39036, 41634, 43500, 43710, 54186, 54876, 59316, 68886, 77184, 81540, 82134, 88044, 89064, 95796, 97530, 98610, 108294, 111864, 113160, 120534, 120696

Offset: 1

Vladimir Joseph Stephan Orlovsky, Jan 19 2009

nonn

Cf. A108701, A143904, A155021

a={};Do[m=n^7;If[PrimeQ[m-7]&&PrimeQ[m+7],AppendTo[a,n]],{n,0,9!}];a
Select[Range[0,130000],And@@PrimeQ[#^7+{7,-7}]&] (* Harvey P. Dale, Aug 26 2013 *)

A155023 Values of n such that n^a-+a are primes, a=11.

Original entry on oeis.org

0, 1770, 10182, 11700, 12090, 16548, 24192, 27570, 29142, 29148, 60648, 62790, 63120, 97110, 104502, 115140, 116718, 119682, 122130, 127728, 147210, 151848, 170292, 189318, 190452, 192738

Offset: 1

Vladimir Joseph Stephan Orlovsky, Jan 19 2009

nonn

Cf. A108701, A143904, A155021, A155022

a={};Do[m=n^11;If[PrimeQ[m-11]&&PrimeQ[m+11],AppendTo[a,n]],{n,0,9!}];a
Select[Range[0,200000],And@@PrimeQ[#^11+{11,-11}]&] (* Harvey P. Dale, Jun 20 2013 *)

cp's OEIS Frontend

A155022 Values of n such that n^a-+a are primes, a=7.

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