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Search: id:A006168
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| A006168 |
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Number of factorization patterns of polynomials of degree n over F_3.
(Formerly M2461)
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+0
2
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| 1, 3, 5, 10, 15, 29, 42, 72, 107, 170, 246, 383, 542, 810, 1145, 1662, 2311, 3305, 4537, 6363, 8677, 11974, 16159, 22068, 29504, 39811, 52887, 70632, 93102, 123362, 161473, 212198, 276185, 360270, 466090, 604267, 777399, 1001656, 1282456
(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, A027376(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. A027376.
Sequence in context: A077285 A072523 A054473 this_sequence A037246 A032279 A070558
Adjacent sequences: A006165 A006166 A006167 this_sequence A006169 A006170 A006171
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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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