cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A220488 Primes that have both prime digits (2,3,5,7) and nonprime digits (1,4,6,8,9), without digits "0".

This page as a plain text file.
%I A220488 #11 Oct 01 2013 15:26:08
%S A220488 13,17,29,31,43,47,59,67,71,79,83,97,113,127,131,137,139,151,157,163,
%T A220488 167,173,179,193,197,211,229,239,241,251,263,269,271,281,283,293,311,
%U A220488 313,317,331,347,349,359,367,379,383,389,397,421,431,433,439
%N A220488 Primes that have both prime digits (2,3,5,7) and nonprime digits (1,4,6,8,9), without digits "0".
%C A220488 For similar sequences see A152426 and A152427.
%H A220488 Harvey P. Dale, <a href="/A220488/b220488.txt">Table of n, a(n) for n = 1..1000</a>
%t A220488 pdnpdQ[n_]:=Module[{idn=IntegerDigits[n],p,z=DigitCount[n,10,0]},p=Count[ idn,_?PrimeQ];p>0&&z==0&&Length[idn]>p]; Select[ Prime[ Range[ 150]], pdnpdQ] (* _Harvey P. Dale_, Oct 01 2013 *)
%Y A220488 Cf. A018252, A019546, A034844, A038618, A087363, A092621, A092626, A152312, A152313, A152426, A152427.
%K A220488 nonn,base,easy
%O A220488 1,1
%A A220488 _Omar E. Pol_, Feb 01 2013