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 A283479 #5 Mar 23 2017 20:32:12 %S A283479 1,1,1,3,2,6,6,20,8,20,14,68,40,82,82,354,150,272,150,858,190,858,708, %T A283479 3186,1130,2328,1280,8210,3186,10538,10538,44290,11818,23214,10538, %U A283479 88580,10538,44290,23214,233268,33752,123612,33752,300772,100398,300772,277558,1427098,534040,725156,300772,1704656,534040 %N A283479 First differences of A283474. %H A283479 Antti Karttunen, <a href="/A283479/b283479.txt">Table of n, a(n) for n = 1..1025</a> %F A283479 a(n) = A283474(n) - A283474(n-1). %o A283479 (Scheme) (define (A283479 n) (- (A283474 n) (A283474 (- n 1)))) %Y A283479 Cf. A002487, A283474. %K A283479 nonn %O A283479 1,4 %A A283479 _Antti Karttunen_, Mar 23 2017