%I A064854
%S A064854 1,0,7,0,21,37,118,56,19,428,808,3920,2256,15240,28312,46733,128931,
%T A064854 251439,434788,645833,1397733,1179155,7185704,1551886,33308648,
%U A064854 65879944,121274199,65829274,228529703,248939750,799831532,2835988891
%N A064854 Mod[Mod[Mod[5^n,4^n],3^n],2^n]
%C A064854 A generalization of A002380 and A064536. It arises also as a coefficient 
               (=c1) of 1^n=1 in a special (greedy) decomposition of 5^n into like 
               powers as follows: 5^n=c4*4^n+c3*3^n+c2*2^n+c1*1^n.
%H A064854 Harry J. Smith, <a href="b064854.txt">Table of n, a(n) for n=1,...,200</
               a>
%F A064854 n = 7: 5^7 = 78125 =4*[16384]+5*[2187]+12*[128]+118*[1], where a(7)=118, 
               the last coefficient.
%o A064854 (PARI) { for (n=1, 200, a=((5^n%4^n)%3^n)%2^n; write("b064854.txt", n, 
               " ", a) ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Sep 
               28 2009]
%Y A064854 A002380, A064536, A064855, A060692, A064628-A064631.
%Y A064854 Sequence in context: A067152 A052440 A167299 this_sequence A157779 A046273 
               A167317
%Y A064854 Adjacent sequences: A064851 A064852 A064853 this_sequence A064855 A064856 
               A064857
%K A064854 nonn
%O A064854 1,3
%A A064854 Labos E. (labos(AT)ana.sote.hu), Oct 08 2001