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 A258200 #23 Dec 23 2024 14:53:44 %S A258200 3,19,3,19,3,19,3,19,3,13,6,3,7,6,6,3,7,6,6,3,13,6,3,3,10,6,3,3,10,6, %T A258200 3,3,16,3,3,16,3,3,19,3,7,12,3,19,3,7,12,3,19,3,19,3,19,3,19,3,13,6,3, %U A258200 7,6,6,3,7,6,6,3,13,6,3,3,10,6,3,3,10,6,3,3,16,3,3,16,3,3,19,3,7,12,3,19,3,19,3,19,3 %N A258200 First differences of A258024. %C A258200 This really is worth listening to. Try somewhat slower tempo, 60 for example and somewhat higher pitch offset. - _Antti Karttunen_, Jun 05 2015 %H A258200 Antti Karttunen, <a href="/A258200/b258200.txt">Table of n, a(n) for n = 1..10000</a> %H A258200 Veikko Pohjola et. al, <a href="https://web.archive.org/web/*/http://list.seqfan.eu/oldermail/seqfan/2015-May/014902.html">Discussion on SeqFan-list</a> %F A258200 a(n) = A258024(n+1) - A258024(n). %o A258200 (Scheme) (define (A258200 n) (- (A258024 (+ 1 n)) (A258024 n))) %Y A258200 Cf. A258024, A258022, A258007, A000503. %K A258200 nonn,hear %O A258200 1,1 %A A258200 Entry prepared by _Antti Karttunen_ after _V.J. Pohjola_'s description on SeqFan-list, May 24 2015