%I #13 Nov 06 2012 12:34:12
%S 1,1,1,1,1,2,1,1,2,2,2,1,1,2,2,2,1,2,2,3,1,1,2,2,2,1,2,2,3,1,2,2,2,2,
%T 2,2,3,1,1,2,2,2,1,2,2,3,1,2,2,2,2,2,2,3,1,2,2,2,2,3,3,2,3,3,2,3,4,1,
%U 1,2,2,2,1,2,2,3,1,2,2,2,2,2,2,3,1,2
%N First differences of A213715.
%C This sequence seems to share similar fractal characteristics with A213712. See the given link to graph-plot.
%H Antti Karttunen, <a href="/A218541/b218541.txt">Table of n, a(n) for n = 0..8727</a>
%H OEIS Server, <a href="https://oeis.org/plot2a?name1=A218541&name2=A213712&tform1=no+transformation&tform2=no+transformation&shift=0&radiop1=matp&drawpoints=true&drawlines=true">Sequence plotted together with A213712 showing similar fractal features.</a>
%F a(n) = A213715(n+1)-A213715(n).
%o (Scheme): (define (A218541 n) (- (A213715 (1+ n)) (A213715 n)))
%K nonn
%O 0,6
%A _Antti Karttunen_, Nov 01 2012
%E Offset changed from 1 to 0 by _Antti Karttunen_, Nov 05 2012