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Search: id:A060894
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| A060894 |
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n^8+n^7-n^5-n^4-n^3+n+1. |
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+0
19
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| 1, 1, 331, 8401, 80581, 464881, 1950271, 6568801, 18837001, 47763361, 109889011, 233669041, 465542221, 878077201, 1580623591, 2732936641, 4562284561, 7384587841, 11630180251, 17874821521, 26876632021, 39619660081, 57364832911
(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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Hisanori Mishima, Factorizations of many number sequences
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CROSSREFS
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Sequence in context: A142601 A142824 A038647 this_sequence A002228 A133141 A097401
Adjacent sequences: A060891 A060892 A060893 this_sequence A060895 A060896 A060897
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KEYWORD
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nonn
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AUTHOR
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njas, May 05 2001
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