%I A127932
%S A127932 1,4,4,4,5,8,8,8,9,12,12,12,13,16,16,16,17,20,20,20,21,24,24,24,25,28,
%T A127932 28,28,29,32,32,32,33,36,36,36,37,40,40,40,41,44,44,44,45,48,48,48,49,
%U A127932 52,52,52,53,56,56,56,57,60,60,60,61,64,64,64,65,68,68,68,69,72,72,72
%N A127932 a(4n)=4n+1, a(4n+1)=a(4n+2)=a(4n+3)=4n+4.
%F A127932 a(n)=(1/12)*Sum{k=0..n}{-(k mod 4)+2*[(k+1) mod 4]+11*[(k+2) mod 4]-4*[(k+3) 
               mod 4]} [From Paolo P. Lava (ppl(AT)spl.at), Nov 18 2008]
%Y A127932 Sequence in context: A036854 A036858 A131957 this_sequence A006075 A074904 
               A010304
%Y A127932 Adjacent sequences: A127929 A127930 A127931 this_sequence A127933 A127934 
               A127935
%K A127932 nonn
%O A127932 0,2
%A A127932 Philippe DELEHAM (kolotoko(AT)wanadoo.fr), Apr 06 2007