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.

A241145 Numbers n such that n and 9n share at least one digit.

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%I A241145 #6 Apr 25 2014 11:22:04
%S A241145 5,10,12,13,14,15,16,17,18,19,20,21,23,24,25,26,27,28,29,30,32,34,35,
%T A241145 36,37,38,39,40,43,45,46,47,48,49,50,51,54,55,56,57,58,59,60,63,64,65,
%U A241145 67,68,69,70,73,75,76,78,79,80,82,85,87,89,90,91,92,93,94,95,96,97,98,99,100,101,102,105,109,110,112,113
%N A241145 Numbers n such that n and 9n share at least one digit.
%e A241145 13 is in the sequence since 13 and 8*13 = 104 and together they share the digit 1.
%t A241145 fQ[n_] := Intersection[ IntegerDigits[ n], IntegerDigits[9 n]] != {}; Select[ Range[ 115], fQ]
%Y A241145 Cf. A129845, A129846, A129848,  A241141, A241142, A241143, A241144, A241146.
%K A241145 base,easy,nonn
%O A241145 1,1
%A A241145 _Robert G. Wilson v_, Apr 16 2014