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 A248941 #13 May 16 2019 01:32:32 %S A248941 17,16,14,11,7,2,-4,3,-5,4,-6,5,-7,6,-8,-23,-39,-22,-40,-21,-1,20,-2, %T A248941 21,-3,22,48,75,47,18,-12,19,-13,-46,-80,-45,-9,28,-10,29,-11,30,72, %U A248941 115,71,26,-20,27,75,124,74,23,-29,24,-30,25,-31,-88,-146,-87 %N A248941 Wrecker ball sequence starting with 17. %C A248941 This is a finite sequence, containing exactly A228474(17) + 1 = 781803 terms. %C A248941 This is row 17 of table A248939: a(n) = A248939(17,n) for n = 0..781802; %C A248941 A248952(17) = -4843985 <= a(n) <= 4674389 = A248953(17). %H A248941 Reinhard Zumkeller, <a href="/A248941/b248941.txt">Table of n, a(n) for n = 0..9999</a> %H A248941 Gordon Hamilton, <a href="http://www.youtube.com/watch?v=mQdNaofLqVc">Wrecker Ball Sequences</a>, Video, 2013 %o A248941 (Haskell) %o A248941 a248941 n = a248941_list !! n %o A248941 a248941_list = a248939_row 17 %Y A248941 Cf. A248939, A228474, A248940 (start with 7), A248942 (start with 20). %K A248941 sign,fini %O A248941 0,1 %A A248941 _Reinhard Zumkeller_, Oct 18 2014