%I
%S 3,3,3,3,4,3,3,3,4,3,3,3,4,3,3,3,4,3,3,3,3,4,3,3,3,4,3,3,3,4,3,3,3,4,
%T 3,3,3,3,4,3,3,3,4,3,3,3,4,3,3,3,4,3,3,3,3,4,3,3,3,4,3,3,3,4,3,3,3,4,
%U 3,3,3,3,4,3,3,3,4,3,3,3,4,3,3,3,4,3
%N First differences of the Beatty sequence A276854 for 1 + sqrt(5).
%H Clark Kimberling, <a href="/A276863/b276863.txt">Table of n, a(n) for n = 1..10000</a>
%F a(n) = floor(n*r)  floor(n*r  r), where r = 1 + sqrt(5), n >= 1.
%F a(n) = A188187(n) + 3, as follows right from the definitions.  _Michel Dekking_, Sep 02 2019
%t z = 500; r = 1+Sqrt[5]; b = Table[Floor[k*r], {k, 0, z}]; (* A276854 *)
%t Differences[b] (* A276863 *)
%Y Cf. A188187, A276854, A276881.
%K nonn,easy
%O 1,1
%A _Clark Kimberling_, Sep 24 2016
