Search: id:A060891
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%I A060891
%S A060891 1,1,57,703,4033,15501,46441,117307,261633,530713,999001,1770231,
%T A060891 2984257,4824613,7526793,11387251,16773121,24132657,34006393,47039023,
%U A060891 63992001,85756861,113369257,148023723,191089153,244125001,308898201
%N A060891 n^6 - n^3 + 1.
%C A060891 Let Phi_k(x) be the k-th cyclotomic polynomial and form the sequence 
               Phi_k(0), Phi_k(1), Phi_k(2), ... This gives A000027 (k=2), A002061 
               (k=3), A002522 (k=4), A053699 (k=5), A002061 (k=6), A053716 (k=7), 
               A002523 (k=8), A060883 (k=9), A060884 (k=10), A060885 (k=11), A060886 
               (k=12), A060887 (k=13), A060888 (k=14), A060889 (k=15), A060890 (k=16), 
               A060891 (k=18), A060892 (k=20), A060893 (k=24), A060894 (k=30), A060895 
               (k=32), A060896 (k=36).
%H A060891 Harry J. Smith, <a href="b060891.txt">Table of n, a(n) for n=0,...,1000</
               a>
%p A060891 with (combinat):seq(fibonacci(3,n^3)-n^3, n=0..30); - Zerinvary Lajos 
               (zerinvarylajos(AT)yahoo.com), May 25 2008
%o A060891 (PARI) { for (n=0, 1000, write("b060891.txt", n, " ", n^6 - n^3 + 1); 
               ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Jul 14 2009]
%Y A060891 Sequence in context: A164786 A166392 A084220 this_sequence A098995 A008390 
               A008922
%Y A060891 Adjacent sequences: A060888 A060889 A060890 this_sequence A060892 A060893 
               A060894
%K A060891 nonn
%O A060891 0,3
%A A060891 N. J. A. Sloane (njas(AT)research.att.com), May 05 2001

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