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 A046590 #11 Jun 22 2013 16:05:40 %S A046590 5,9,19,13,8,17,35,49,21,119,35,25,259,189,95,29,112,71,31,33,483,183, %T A046590 102,157,37,849,285,565,97,41,1815,1419,1705,759,235,45,1617,4543,616, %U A046590 497,70,49,3432,11011,7007,1729,637,329,53,24739,9009,10465,1183,1603 %N A046590 Numerators of the elements to the right of the central elements of the 1/4-Pascal triangle (by row), excluding 1's. %e A046590 1/1; --> %e A046590 1/1 1/1; --> %e A046590 1/1 1/4 1/1; --> %e A046590 1/1 5/4 5/4 1/1; --> 5 %e A046590 1/1 9/4 5/2 9/4 1/1; --> 9 %e A046590 1/1 13/4 19/4 19/4 13/4 1/1; --> 19 13 %e A046590 1/1 17/4 8/1 19/2 8/1 17/4 1/1; %e A046590 1/1 21/4 49/4 35/2 35/2 49/4 21/4 1/1; ... %Y A046590 Cf. A046563. %K A046590 tabf,nonn,frac,less %O A046590 1,1 %A A046590 _Mohammad K. Azarian_ %E A046590 More terms from _David W. Wilson_