%I #8 Sep 29 2014 17:01:56
%S 54,36,54,36,54,36,36,36,18,72,18,18,18,54,18,72,18,18,18,18,18,18,72,
%T 18,72,36,36,18,18,54,18,54,36,18,18,54,18,36,18,18,54,36,36,36,18,36,
%U 18,36,18,36,18,18,18,36,36,18,36,18,18,36,18,36,72,18,36,18,36,36,18,36,54,18,18,90,18,54,18,18,36,36,72
%N First differences of A247676
%C All terms have digital root equal to 9.
%H Odimar Fabeny, <a href="/A247897/b247897.txt">Table of n, a(n) for n = 1..10000</a>
%Y Cf. A247676.
%K nonn,easy
%O 1,1
%A _Odimar Fabeny_, Sep 26 2014