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First differences of A256188.
3

%I #4 Mar 26 2015 11:39:01

%S 1,-1,1,2,1,-4,1,1,4,1,1,-8,1,1,1,7,1,1,1,-13,1,1,1,1,11,1,1,1,1,-19,

%T 1,1,1,1,1,16,1,1,1,1,1,-26,1,1,1,1,1,1,22,1,1,1,1,1,1,-34,1,1,1,1,1,

%U 1,1,29,1,1,1,1,1,1,1,-43,1,1,1,1,1,1,1,1

%N First differences of A256188.

%H Reinhard Zumkeller, <a href="/A255878/b255878.txt">Table of n, a(n) for n = 1..10000</a>

%o (Haskell)

%o a255878 n = a255878_list !! (n-1)

%o a255878_list = zipWith (-) (tail a256188_list) a256188_list

%Y Cf. A256188, A255437.

%K sign

%O 1,4

%A _Reinhard Zumkeller_, Mar 26 2015