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 A046604 #9 Jul 02 2025 16:01:57 %S A046604 5,5,6,5,6,5,11,5,12,5,11,5,16,5,23,5,23,5,16,5,21,5,39,5,46,5,39,5, %T A046604 21,5,26,12,17,17,12,5,26,5,31,5,86,29,34,29,5,86,5,31,5,36,5,117,5, %U A046604 231,63,63,5,231,5,117,5,36,5,41,5,153,5,348,5,546,126,5,546,5,348,5,153,5 %N A046604 First denominator and then numerator of the 1/5-Pascal triangle (by row), excluding 1's. %e A046604 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 A046604 Cf. A046601. %K A046604 tabf,nonn %O A046604 1,1 %A A046604 _Mohammad K. Azarian_ %E A046604 More terms from _James Sellers_, Dec 14 1999