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 A046622 #10 Jun 22 2013 16:05:41 %S A046622 1,1,1,1,1,1,1,1,1,5,1,1,1,1,5,5,1,1,1,1,11,5,5,11,5,1,1,1,1,5,23,5, %T A046622 23,5,5,1,1,1,1,21,5,39,5,5,39,5,21,5,1,1,1,1,5,1,17,1,17,1,1,5,1,1,1, %U A046622 1,31,5,5,29,1,1,29,1,5 %N A046622 Odd numbers in writing first numerator and then denominator of each element of the 1/5-Pascal triangle (by row). %e A046622 1/1; --> 1 1 %e A046622 1/1 1/1; --> 1 1 1 1 %e A046622 1/1 1/5 1/1; --> 1 1 1 5 1 1 %e A046622 1/1 6/5 6/5 1/1; --> 1 1 5 5 1 1 %e A046622 1/1 11/5 12/5 11/5 1/1; --> ... %e A046622 1/1 16/5 23/5 23/5 16/5 1/1; %e A046622 1/1 21/5 39/5 46/5 39/5 21/5 1/1; %e A046622 1/1 26/5 12/1 17/1 17/1 12/1 26/5 1/1; ... %Y A046622 Cf. A046601. %K A046622 tabf,nonn,frac,less %O A046622 1,10 %A A046622 _Mohammad K. Azarian_