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 A247897 First differences of A247676 1

%I

%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

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Last modified November 27 22:56 EST 2022. Contains 358406 sequences. (Running on oeis4.)