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 A087075 #9 Mar 20 2015 03:28:14
%S A087075 71,42,12,83,54,24,95,66,37,7,78,49,19,81,5,11,21,19,12,61,33,14,1,47,
%T A087075 15,41,61,16,81,75,18,21,89,19,62,3,21,2,17,22,42,31,23,82,45,25,22,
%U A087075 59,26,62,73,28,2,87,29,43,1,30,83,15,32,23,29,33,63,43,35,3,57,36,43,71
%N A087075 Multiples of 7 with digits grouped in pairs and leading zeros omitted.
%t A087075 FromDigits /@ Partition[ Flatten[ IntegerDigits[ Table[ 7n, {n, 1, 60}]]], 2] (* _Robert G. Wilson v_ *)
%t A087075 (IntegerDigits/@(7 Range[16]))//peek//Flatten//Partition[ #, 2]&// Map[FromDigits, # ]& (* _Ken Levasseur_ *)
%Y A087075 Cf. A008589, A059805, A087406, A060936, A087407, A087408, A087409, A087410, A087411.
%K A087075 nonn,base,easy
%O A087075 1,1
%A A087075 _N. J. A. Sloane_, Oct 19 2003
%E A087075 More terms from _Ray Chandler_, Oct 20 2003