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.
%I A298482 #36 Mar 02 2018 20:27:57 %S A298482 0,1,2,3,4,5,6,7,8,9,10,22,33,44,11,20,35,46,17,28,30,45,16,27,38,40, %T A298482 15,26,37,48,19,25,36,47,18,29,50,34,61,72,55,39,14,60,52,73,41,66,58, %U A298482 23,49,67,51,32,80,64,57,12,83,69,54,21,70,63,59,24,71,68 %N A298482 a(n) = smallest integer not yet in the sequence with no digits in common with a(n-1), a(n-2), and a(n-3); a(0)=0, a(1)=1, a(2)=2. %C A298482 The first differences of this sequence are symmetrically distributed around 0, in a distribution that has a larger kurtosis than the Normal distribution. %Y A298482 Cf. A067581, A276633. %K A298482 nonn,base %O A298482 0,3 %A A298482 _Enrique Navarrete_, Feb 28 2018