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 A258010 #5 Jun 11 2015 08:23:09 %S A258010 7,6,2,2,4,11,2,2,4,4,6,2,4,4,10,4,7,5,9,10,10,2,2,4,4,6,2,4,4,10,4,7, %T A258010 5,9,10,9,2,6,2,4,4,10,4,7,5,9,10,9,2,8,9,4,7,5,9,10,9,2,8,2,6,2,9,9, %U A258010 10,9,2,8,8,16,8,9,2,8,8,29,2,8,8,9,6,13,10,2,2,4,4,6,2,4,4,10,4,7,5,9,10,9,2,6,2,4,4,10,4,7,5,9 %N A258010 First differences of A230422. %H A258010 Antti Karttunen, <a href="/A258010/b258010.txt">Table of n, a(n) for n = 1..17516</a> %F A258010 a(n) = A230422(n+1) - A230422(n). %o A258010 (Scheme) (define (A258010 n) (- (A230422 (+ 1 n)) (A230422 n))) %Y A258010 Cf. A230422, A258008. %K A258010 nonn %O A258010 1,1 %A A258010 _Antti Karttunen_, Jun 05 2015