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%I #5 May 16 2019 01:32:32
%S 20,19,17,14,10,5,-1,6,-2,7,-3,8,-4,9,-5,-20,-36,-19,-37,-18,2,23,1,
%T -22,-46,-21,-47,-74,-102,-73,-43,-12,-44,-11,-45,-10,26,63,25,-14,
%U -54,-13,29,72,28,-17,-63,-16,32,81,31,82,30,-23,-77,-132,-76,-133
%N Wrecker ball sequence starting with 20.
%C Finite sequence with A228474(20) + 1 = 132897 terms;
%C row 20 of table A248939: a(n) = A248939(20,n) for n = 0..132896;
%C A248952(20) = -657367 <= a(n) <= 891114 = A248953(20).
%H Reinhard Zumkeller, <a href="/A248942/b248942.txt">Table of n, a(n) for n = 0..132896</a>
%H Gordon Hamilton, <a href="http://www.youtube.com/watch?v=mQdNaofLqVc">Wrecker Ball Sequences</a>, Video, 2013
%o (Haskell)
%o a248942 n = a248942_list !! n
%o a248942_list = a248939_row 20
%Y Cf. A248939, A228474, A248940 (start with 7), A248941 (start with 17).
%K sign,fini,full
%O 0,1
%A _Reinhard Zumkeller_, Oct 18 2014
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