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 A248940 #6 May 16 2019 01:32:32 %S A248940 7,6,4,1,-3,2,-4,3,-5,-14,-24,-13,-1,12,-2,13,29,46,28,9,-11,10,-12, %T A248940 11,35,60,34,61,33,62,32,63,31,64,30,65,101,138,100,139,99,58,16,-27, %U A248940 17,-28,18,-29,19,-30,20,-31,21,-32,22,-33,23,-34,24,-35,25,-36 %N A248940 Wrecker ball sequence starting with 7. %C A248940 Finite sequence with A228474(7) + 1 = 1726 terms; %C A248940 row 7 of table A248939: a(n) = A248939(7,n) for n = 0..1725; %C A248940 A248952(7) = -6362 <= a(n) <= 6843 = A248953(7). %H A248940 Reinhard Zumkeller, <a href="/A248940/b248940.txt">Table of n, a(n) for n = 0..1725</a> %H A248940 Gordon Hamilton, <a href="http://www.youtube.com/watch?v=mQdNaofLqVc">Wrecker Ball Sequences</a>, Video, 2013 %o A248940 (Haskell) %o A248940 a248940 n = a248940_list !! n %o A248940 a248940_list = a248939_row 7 %Y A248940 Cf. A248939, A228474, A248941 (start with 17), A248942 (start with 20). %K A248940 sign,fini,full %O A248940 0,1 %A A248940 _Reinhard Zumkeller_, Oct 18 2014