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 A317647 #6 Aug 11 2018 14:32:58 %S A317647 2,4,6,8,0,2,4,6,8,2,0,2,2,2,2,2,4,2,2,6,2,2,8,2,0,2,4,6,8,4,0,4,4,2, %T A317647 4,4,4,4,4,6,4,4,8,4,0,2,4,6,8,6,0,6,6,2,6,6,4,6,6,6,6,6,8,6,0,2,4,6, %U A317647 8,8,0,8,8,2,8,8,4,8,8,6,8,8,8,8,0,2,4,6,8,0,0 %N A317647 The even members of the "Almost natural numbers" (A007376). %C A317647 Also even members of A033307. %e A317647 The initial (15) terms of A007376 are 1,2,3,4,5,6,7,8,9,1,0,1,1,1,2; omitting the odd terms 1,3,5,7,9,1,1,1 leaves the first 6 even terms 2,4,6,8,0,2: a(1) through a(6). %t A317647 Select[ Flatten[ IntegerDigits /@ Range@ 100], EvenQ] %Y A317647 Cf. A007376, A033307, A316988. %K A317647 easy,nonn,base %O A317647 1,1 %A A317647 _Dave Durgin_ and _Robert G. Wilson v_, Aug 02 2018