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%I A171572 #10 Aug 06 2014 16:12:50
%S A171572 0,1,2,3,4,9,9,9,9,9,14,14,14,14,14,19,19,19,19,19,24,24,24,24,24,49,
%T A171572 49,49,49,49,49,49,49,49,49,49,49,49,49,49,49,49,49,49,49,49,49,49,49,
%U A171572 49,74,74,74,74,74,74,74,74,74,74,74,74,74,74,74,74,74,74,74,74,74,74,74
%N A171572 a(n) = 0+1+2+...+n in lunar arithmetic in base 5 written in base 10.
%H A171572 D. Applegate, M. LeBrun and N. J. A. Sloane, <a href="http://arxiv.org/abs/1107.1130">Dismal Arithmetic</a> [Note: we have now changed the name from "dismal arithmetic" to "lunar arithmetic" - the old name was too depressing]
%H A171572 <a href="/index/Di#dismal">Index entries for sequences related to dismal (or lunar) arithmetic</a>
%K A171572 nonn,base
%O A171572 0,3
%A A171572 _N. J. A. Sloane_, Oct 02 2010

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