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 A279295 #4 Dec 09 2016 15:23:30 %S A279295 1,16,1138,25999,775195,18523314,463088628,11068300437,268537592975, %T A279295 6514804501312,160541447975710,4013204668037233,102267326625073183, %U A279295 2658365720541599806,70614284743773530148,1917874812704472161265,53294689741358893762638 %N A279295 Number of permutations of [n] having exactly six (possibly overlapping) doubledescents. %H A279295 Alois P. Heinz, <a href="/A279295/b279295.txt">Table of n, a(n) for n = 8..460</a> %Y A279295 Column k=6 of A162975. %K A279295 nonn %O A279295 8,2 %A A279295 _Alois P. Heinz_, Dec 09 2016