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 A046608 #9 Jul 02 2025 16:01:57 %S A046608 1,5,6,11,12,16,23,21,39,46,26,17,31,86,29,34,36,117,231,63,41,153, %T A046608 348,546,126,194,501,894,1176,51,48,139,279,414,2352,56,291,187,418, %U A046608 693,4422,61,347,1226,605,1111,7887,8844,66,408,1573,4251,1716,13442,16731 %N A046608 Distinct numbers in writing first numerator and then denominator of each element of the 1/5-Pascal triangle (by row). %e A046608 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 A046608 Cf. A046601. %K A046608 tabf,nonn %O A046608 1,2 %A A046608 _Mohammad K. Azarian_ %E A046608 Corrected and extended by _James Sellers_, Dec 15 1999