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 A044827 #13 Jan 04 2021 18:20:32 %S A044827 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,17,34,51,68,85,102,119,136,153, %T A044827 170,187,204,221,238,255,256,272,273,274,275,276,277,278,279,280,281, %U A044827 282,283,284,285,286,287,290,307,324,341,358,375,392,409,426,443,460,477 %N A044827 Positive integers having distinct base-16 run lengths. %H A044827 David A. Corneth, <a href="/A044827/b044827.txt">Table of n, a(n) for n = 1..10000</a> %e A044827 324 = 144_16 is in the sequence as it has distinct run lengths of distinct digits (1, 2). - _David A. Corneth_, Jan 04 2021 %Y A044827 Cf. A044813, A044814, A044815, A044816, A044817, A044818, A044819, A044820, A044821, A044822, A044823, A044824, A044825, A044826, A044827 (base 2 to base 16). %K A044827 nonn,base %O A044827 1,2 %A A044827 _Clark Kimberling_