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 A046629 #9 Jul 02 2025 16:01:57 %S A046629 6,16,12,26,86,36,546,348,1176,894,194,46,414,48,4422,418,56,1226, %T A046629 13442,1716,408,66,22022,5824,474,76,23166,87048,53508,5292,2052,600, %U A046629 48620,202878,140556,79968,7344,2652,702,445978,343434,220524,116688 %N A046629 Distinct even numbers in writing numerators of each element to the right of the central elements of the 1/5-Pascal triangle (by row). %e A046629 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 A046629 Cf. A046601. %K A046629 tabf,nonn %O A046629 1,1 %A A046629 _Mohammad K. Azarian_ %E A046629 More terms from _James Sellers_, Dec 16 1999