Search: id:A060894
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%I A060894
%S A060894 1,1,331,8401,80581,464881,1950271,6568801,18837001,47763361,109889011,
%T A060894 233669041,465542221,878077201,1580623591,2732936641,4562284561,
%U A060894 7384587841,11630180251,17874821521,26876632021,39619660081,57364832911
%N A060894 n^8+n^7-n^5-n^4-n^3+n+1.
%C A060894 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 A060894 Harry J. Smith, <a href="b060894.txt">Table of n, a(n) for n=0,...,1000</
               a>
%H A060894 Hisanori Mishima, <a href="http://www.asahi-net.or.jp/~KC2H-MSM/mathland/
               matha1/matha103.htm">Factorizations of many number sequences</a>
%o A060894 (PARI) { for (n=0, 1000, write("b060894.txt", n, " ", n^8 + n^7 - n^5 
               - n^4 - n^3 + n + 1); ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), 
               Jul 14 2009]
%Y A060894 Sequence in context: A038647 A152311 A154083 this_sequence A002228 A133141 
               A097401
%Y A060894 Adjacent sequences: A060891 A060892 A060893 this_sequence A060895 A060896 
               A060897
%K A060894 nonn
%O A060894 0,3
%A A060894 N. J. A. Sloane (njas(AT)research.att.com), May 05 2001

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