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A069676 Primes with either no internal digits or all internal digits are 1. 9

%I

%S 2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59,61,67,71,73,79,83,89,

%T 97,113,211,311,313,317,419,613,617,619,719,811,911,919,1117,2111,

%U 2113,3119,4111,5113,5119,6113,8111,8117,11113,11117,11119,41113,41117,71119

%N Primes with either no internal digits or all internal digits are 1.

%t aid1Q[n_]:=Union[Most[Rest[IntegerDigits[n]]]]=={1}; Join[Prime[Range[PrimePi[ 100]]], Select[Prime[Range[PrimePi[100]+1,7100]],aid1Q]] (* _Harvey P. Dale_, Apr 12 2013 *)

%Y Cf. A069675, A069677, A069678, A069679, A069680, A069681, A069682, A069683, A069684.

%K nonn,base

%O 1,1

%A _Amarnath Murthy_, Apr 06 2002

%E Corrected by _Ray Chandler_, Nov 24 2003

%E Offset corrected and name changed by Arkadiusz Wesolowski, Sep 07 2011

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Last modified July 10 11:42 EDT 2020. Contains 335576 sequences. (Running on oeis4.)