%I #6 May 01 2013 21:05:53
%S 9,10,9,4,4,1,10,9,10,9,4,4,1,4,10,9,10,9,4,4,1,10,9,10,9,4,4,1,4,4,4,
%T 1,4,4,4,1,1,1,10,9,10,9,4,4,1,10,9,10,9,4,4,1,4,10,9,10,9,4,4,1,10,9,
%U 10,9,4,4,1,4,4,4,1,4,4,4,1,1,1,11,9,10,9,4,4,1,10,9,10,9,4,4,1,4,10,9,10,9,4,4,1
%N First differences of A157644.
%K nonn
%O 1,1
%A _Paul Curtz_, Mar 06 2009
%E Edited by _N. J. A. Sloane_, Mar 08 2009
%E More terms from _Jean-François Alcover_, Mar 25 2013