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 A048316 #7 Oct 13 2019 16:35:54 %S A048316 0,1,2,3,4,6,12,18,24,30,31,32,33,34,60,61,62,63,64,90,91,92,93,94, %T A048316 120,121,122,123,124,155,156,157,158,159,310,311,312,313,314,465,466, %U A048316 467,468,469,620,621,622,623,624,775,780,781,782,783,784,787,793,799,1550 %N A048316 Numbers whose base-5 expansions, read from left to right, have run lengths that strictly decrease. %Y A048316 Cf. A037013, A043694, A043708, A044816, A044954. %K A048316 nonn,base %O A048316 0,3 %A A048316 _Patrick De Geest_, Feb 15 1999