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A247901 First differences of A247682 1

%I #7 Sep 29 2014 17:02:40

%S 18,90,18,18,54,54,36,72,18,18,54,18,36,54,36,18,18,18,54,36,18,18,18,

%T 36,18,36,36,72,18,36,18,18,18,36,36,18,72,18,36,54,18,54,18,54,36,18,

%U 18,18,36,36,18,36,36,18,36,72,18,36,36,18,18,54,18,18,18,18,36,36,36,18,18,72,18,18,18,18,18,36,36,18,36

%N First differences of A247682

%C All terms have digital root equal to 9.

%H Odimar Fabeny, <a href="/A247901/b247901.txt">Table of n, a(n) for n = 1..10000</a>

%Y Cf. A247682.

%K nonn,easy

%O 1,1

%A _Odimar Fabeny_, Sep 26 2014

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Last modified March 28 18:04 EDT 2024. Contains 371254 sequences. (Running on oeis4.)