%I #13 Aug 05 2018 12:06:46
%S 0,1,-1,0,1,0,0,1,-2,0,1,-1,0,1,0,0,1,-1,-1,0,1,-1,0,1,0,0,1,-2,0,1,
%T -1,0,1,0,0,1,-1,0,0,1,-1,0,0,1,0,-1,-1,0,1,-1,0,1,0,0,1,-2,0,1,-1,0,
%U 1,0,0,1,-1,-1,0,1,-1,0,1,0,0,1,-2,0,1,-1,0,1,0,0,1,-1,0,0,1,-1,0,0,1,0,-1,0,0,1,-1,-1
%N First differences of A090822.
%H F. J. van de Bult, D. C. Gijswijt, J. P. Linderman, N. J. A. Sloane and Allan Wilks, <a href="https://cs.uwaterloo.ca/journals/JIS/VOL10/Sloane/sloane55.html">A Slow-Growing Sequence Defined by an Unusual Recurrence</a>, J. Integer Sequences, Vol. 10 (2007), #07.1.2.
%H F. J. van de Bult, D. C. Gijswijt, J. P. Linderman, N. J. A. Sloane and Allan Wilks, A Slow-Growing Sequence Defined by an Unusual Recurrence [<a href="http://neilsloane.com/doc/gijs.pdf">pdf</a>, <a href="http://neilsloane.com/doc/gijs.ps">ps</a>].
%H <a href="/index/Ge#Gijswijt">Index entries for sequences related to Gijswijt's sequence</a>
%K sign
%O 1,9
%A _N. J. A. Sloane_, Mar 05 2004