A255339 - OEIS

%I #5 Feb 21 2015 15:38:12

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

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

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

%N Characteristic function of A255057; the first differences of A255338.

%H Antti Karttunen, <a href="/A255339/b255339.txt">Table of n, a(n) for n = 0..8590</a>

%F a(n) = A255338(n+1) - A255338(n).

%o (Scheme) (define (A255339 n) (- (A255338 (1+ n)) (A255338 n)))

%Y Cf. A255057, A255338, A255327.

%K nonn

%O 0

%A _Antti Karttunen_, Feb 21 2015