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Search: id:A006170
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| A006170 |
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Number of factorization patterns of polynomials of degree n over F_5.
(Formerly M2478)
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+0
2
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| 1, 3, 5, 11, 17, 33, 50, 89, 135, 223, 332, 531, 776, 1194, 1730, 2591, 3700, 5429, 7660, 11035, 15417, 21851, 30225, 42300, 57966, 80146, 108956, 149076, 201073, 272587, 365009, 490656, 652700, 870597, 1150875, 1524479, 2003426, 2636589, 3446140
(list; graph; listen)
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OFFSET
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1,2
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REFERENCES
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N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
R. A. Hultquist, G. L. Mullen and H. Niederreiter, Association schemes and derived PBIB designs of prime power order, Ars. Combin., 25 (1988), 65-82.
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LINKS
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T. D. Noe, Table of n, a(n) for n=1..1000
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FORMULA
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Euler transform of sequence b(n) = sum_{d|n, A001692(d)>=n/d} 1. - Frank Adams-Watters (FrankTAW(AT)Netscape.net), Jun 19 2006
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CROSSREFS
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Cf. A006167-A006171.
Cf. A001692.
Sequence in context: A124179 A124173 A091610 this_sequence A147071 A006171 A060647
Adjacent sequences: A006167 A006168 A006169 this_sequence A006171 A006172 A006173
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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).
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EXTENSIONS
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More terms from Frank Adams-Watters (FrankTAW(AT)Netscape.net), Jun 19 2006
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