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 A087406 #10 Apr 22 2022 12:17:42
%S A087406 24,68,10,12,14,16,18,20,22,24,26,28,30,32,34,36,38,40,42,44,46,48,50,
%T A087406 52,54,56,58,60,62,64,66,68,70,72,74,76,78,80,82,84,86,88,90,92,94,96,
%U A087406 98,10,1,2,10,41,6,10,81,10,11,21,14,11,61,18,12,1,22,12,41,26,12,81,30
%N A087406 Multiples of 2 with digits grouped in pairs and leading zeros omitted.
%t A087406 FromDigits /@ Partition[ Flatten[ IntegerDigits[ Table[ 2n, {n, 1, 65}]]], 2] (* _Robert G. Wilson v_ *)
%t A087406 FromDigits/@Partition[Flatten[IntegerDigits/@(2*Range[80])],2] (* _Harvey P. Dale_, Apr 22 2022 *)
%Y A087406 Cf. A005843, A059805, A060936, A087407, A087408, A087409, A087075, A087410, A087411.
%K A087406 nonn,easy,base
%O A087406 1,1
%A A087406 _N. J. A. Sloane_, Oct 19 2003
%E A087406 More terms from _Ray Chandler_, Oct 20 2003