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 A097903 #3 Nov 14 2010 21:29:33 %S A097903 1,7,7,3,49,3,2,21,21,2,0,14,9,14,0,5,0,6,6,0,5,0,35,0,4,0,35,0,8,0, %T A097903 15,0,0,15,0,8,0,56,0,10,0,10,0,56,0,7,0,24,0,0,0,0,24,0,7,5,49,0,16, %U A097903 0,25,0,16,0,49,5,6,35,21,0,0,0,0,0,0,21,35,6,8,42,15,14,0,40,0,40,0,14,15 %N A097903 Multiplication table of the digits of the square root of 3 read by antidiagonals. %e A097903 1; 7,7; 3,49,3; 2,21,21,2; ... %Y A097903 Cf. A003991, A098364, A098366, A098367. %K A097903 nonn,tabl,base %O A097903 0,2 %A A097903 Douglas Stones (dssto1(AT)student.monash.edu.au), Sep 04 2004