%I #11 Aug 16 2021 15:24:33
%S 7,-1,-5,11,-1,-9,3,3,7,-11,-1,7,-1,5,3,-1,5,1,3,-7,-5,7,3,1,-5,9,-1,
%T -1,3,3,-1,-1,3,1,5,-3,1,1,-3,5,3,-1,-1,3,1,1,1,3,3,3,1,-5,-1,7,-3,-7,
%U 1,5,5,1,1,1,3,1,1,-3,-1,5,3,-1,-1,3,1,5,-3,1,1,-3,5,1,3,1,1
%N First differences of A203069.
%C In the first 100000 terms, the only differences between terms of A203069 are -11, -9, -7, -5, -3, -1, 1, 3, 5, 7, 9, 11.
%H N. J. A. Sloane, <a href="/A346610/b346610.txt">Table of n, a(n) for n = 1..9999</a>
%Y Cf. A203069, A346609, A346611.
%K sign
%O 1,1
%A _Harvey P. Dale_ and _N. J. A. Sloane_, Aug 16 2021