%I A045976
%S A045976 1,1,0,9,121,2704,118336,4092529,0,97734390625,69057113823721,
%T A045976 61675735716000000,120510849036513735801,204044070747203744272384,0,
%U A045976 12086640655039701533948077217761,424809992547069296975659357323606889
%N A045976 A product related to n-th roots of 1.
%C A045976 a(some multiples of 3) = 0 because there are some 3th roots involved.
%D A045976 Related references: Matthews as cited by Dickson, Wendt.
%F A045976 a(n) = product ((1+u)^n +1), where u^n = 1, u != 1.
%Y A045976 Sequence in context: A084769 A050353 A112941 this_sequence A053889 A087584 
               A138438
%Y A045976 Adjacent sequences: A045973 A045974 A045975 this_sequence A045977 A045978 
               A045979
%K A045976 nonn
%O A045976 0,4
%A A045976 Luis Gallardo (Luis.Gallardo(AT)univ-brest.fr)