Search: id:A109614
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%I A109614
%S A109614 1,1,1,8,2,4,27,3,9,64,4,16,125,5,25,216,6,36,343,7,49,512,8,64,729,9,
%T A109614 81,1000,10,100,1331,11,121,1728,12,144,2197,13,169,2744,14,196,3375,15,
%U A109614 225,4096,16,256,4913,17,289,5832,18,324,6859,19,361,8000,20,400
%N A109614 n^3 followed by n followed by n^2.
%F A109614 a(n)=4*a(n-3)-6*a(n-6)+4*a(n-9)-a(n-12). G.f.: -(-1-x-x^2-4*x^3+2*x^4-x^6-x^7+x^8)/
               ((x-1)^4*(1+x+x^2)^4). [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), 
               Jun 26 2009]
%e A109614 1,1,1,8,2,4,125,5,25
%Y A109614 Cf. A000463.
%Y A109614 Sequence in context: A073440 A021552 A008830 this_sequence A020787 A002994 
               A097408
%Y A109614 Adjacent sequences: A109611 A109612 A109613 this_sequence A109615 A109616 
               A109617
%K A109614 nonn
%O A109614 1,4
%A A109614 Mohammad K. Azarian (azarian(AT)evansville.edu), Aug 30 2005

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