A163539 - OEIS

%I #3 Mar 31 2012 13:21:18

%S 0,0,1,0,1,1,0,-1,0,1,0,-1,-1,0,-1,0,0,1,0,-1,0,0,1,0,1,0,1,0,0,-1,0,

%T 1,1,1,0,-1,0,0,1,0,1,0,1,0,0,-1,0,1,0,0,-1,0,-1,-1,0,1,0,-1,0,1,1,0,

%U 1,0,1,1,0,-1,0,0,1,0,1,0,1,0,0,-1,0,1,1,0,1,0,1,1,0,-1,0,1,0,-1,-1,0

%N The change in Y-coordinate when moving from the n-1:th to the n-th term in the type I Hilbert's Hamiltonian walk A163357.

%H A. Karttunen, <a href="/A163539/b163539.txt">Table of n, a(n) for n = 0..65536</a>

%F a(0)=0, a(n) = A059252(n) - A059252(n-1).

%Y These are the first differences of A059252. See also: A163538, A163541, A163543.

%K sign

%O 0,1

%A _Antti Karttunen_, Aug 01 2009