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 A046615 #9 Jul 02 2025 16:01:57 %S A046615 6,5,11,5,23,5,16,5,39,5,21,5,17,12,26,5,29,86,5,31,5,63,231,5,117,5, %T A046615 36,5,546,5,348,5,153,5,41,5,1176,5,894,5,501,5,194,5,46,5,414,279, %U A046615 139,48,51,5,4422,5,693,418,187,291,5,56,5,7887,5,1111,605,1226,5,347,5,61 %N A046615 First numerator and then denominator of the elements to the right of the central elements of the 1/5-Pascal triangle (by row), excluding 1's. %e A046615 1/1; 1/1 1/1; 1/1 1/5 1/1; 1/1 6/5 6/5 1/1; 1/1 11/5 12/5 11/5 1/1; 1/1 16/5 23/5 23/5 16/5 1/1; 1/1 21/5 39/5 46/5 39/5 21/5 1/1; 1/1 26/5 12/1 17/1 17/1 12/1 26/5 1/1; ... %Y A046615 Cf. A046601. %K A046615 tabf,nonn %O A046615 1,1 %A A046615 _Mohammad K. Azarian_ %E A046615 More terms from _James Sellers_, Dec 16 1999