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Search: id:A114945
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| A114945 |
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Number of monic irreducible polynomials over GF(3) of degree <= n. |
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+0
1
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| 3, 6, 14, 32, 80, 196, 508, 1318, 3502, 9382, 25486, 69706, 192346, 533830, 1490406, 4180416, 11776896, 33299124, 94470780, 268807044, 766918996, 2193322744, 6286504432, 18054379372, 51945923740, 149709932740, 432139468492
(list; graph; listen)
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OFFSET
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1,1
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MAPLE
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with (numtheory): b:= n-> add (mobius(d) *3^(n/d)/n, d=divisors(n)): a:= n-> add (b(k), k=1..n): seq (a(n), n=1..30); [From Alois P. Heinz (heinz(AT)hs-heilbronn.de), Sep 23 2008]
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CROSSREFS
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Partial sums of (which sequence?).
Partial sums of A027376. 3rd column of A143328. [From Alois P. Heinz (heinz(AT)hs-heilbronn.de), Sep 23 2008]
Sequence in context: A077998 A090165 A129954 this_sequence A003477 A078062 A018017
Adjacent sequences: A114942 A114943 A114944 this_sequence A114946 A114947 A114948
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KEYWORD
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nonn
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AUTHOR
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Gary L Mullen (mullen(AT)math.psu.edu) and Ken Hicks, Jan 06 2006
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EXTENSIONS
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More terms from Alois P. Heinz (heinz(AT)hs-heilbronn.de), Sep 23 2008
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