%I A083673
%S A083673 2,4,3,6,10,7,14,16,15,18,22,19,26,28,27,30,34,31,38,40,39,42,46,43,50,
               52,
%T A083673 51,54,58,55,62,64,63,66,70,67,74,76,75,78,82,79,86,88,87,90,94,91,98,
               100,
%U A083673 99,102,106,103,110,112,111,114,118,115,122,124,123,126,130,127,134,136
%N A083673 First differences have period 6: 2,-1,3,4,-3,7, 2,-1,3,4,-3,7, 2,-1,...
%C A083673 Note: not all quizzes permit the use of the OEIS!
%H A083673 C. P. Simoes, <a href="http://www.cpsimoes.net/tdm/tdm.html">Teste de 
               Desempenho Mental</a>.
%F A083673 a(n+6) = a(n) + 12.
%F A083673 a(n)=-5+Sum_{k=0..n}{(1/30)*(-46*(k mod 6)+39*((k+1) mod 6)-((k+2) mod 
               6)-16*((k+3) mod 6)+19*((k+4) mod 6)+29*((k+5) mod 6)} - Paolo P. 
               Lava (ppl(AT)spl.at), Aug 29 2007
%Y A083673 Sequence in context: A075383 A113233 A051849 this_sequence A131388 A131393 
               A002326
%Y A083673 Adjacent sequences: A083670 A083671 A083672 this_sequence A083674 A083675 
               A083676
%K A083673 nonn,easy
%O A083673 1,1
%A A083673 N. J. A. Sloane (njas(AT)research.att.com), Jun 15 2003