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 A287038 #8 May 20 2017 21:55:05 %S A287038 17,6954,1168650,126339092,10599962450,762387192684,49869132381312, %T A287038 3080305626393693,184192325957971320,10844700061730812830, %U A287038 636093827075502089442,37475434473034851095166,2230535905733638996689774,134676258592738433119063794,8272859344605570545948099070 %N A287038 Column 8 of A286782. %H A287038 Gheorghe Coserea, <a href="/A287038/b287038.txt">Table of n, a(n) for n = 9..218</a> %F A287038 a(n) = (2*n-1)*A286793(n-1). %Y A287038 Cf. A286782. %K A287038 nonn %O A287038 9,1 %A A287038 _Gheorghe Coserea_, May 18 2017