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Search: id:A060891
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| 1, 1, 57, 703, 4033, 15501, 46441, 117307, 261633, 530713, 999001, 1770231, 2984257, 4824613, 7526793, 11387251, 16773121, 24132657, 34006393, 47039023, 63992001, 85756861, 113369257, 148023723, 191089153, 244125001, 308898201
(list; graph; listen)
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OFFSET
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0,3
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COMMENT
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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).
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LINKS
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Harry J. Smith, Table of n, a(n) for n=0,...,1000
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MAPLE
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with (combinat):seq(fibonacci(3, n^3)-n^3, n=0..30); - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), May 25 2008
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PROGRAM
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(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]
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CROSSREFS
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Sequence in context: A164786 A166392 A084220 this_sequence A098995 A008390 A008922
Adjacent sequences: A060888 A060889 A060890 this_sequence A060892 A060893 A060894
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KEYWORD
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nonn
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com), May 05 2001
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