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Search: id:A060705
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| A060705 |
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Singular n X n matrices over GF(3). |
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+0
2
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| 1, 33, 8451, 18785601, 371722135203, 65965023738046161, 105230885027939446251843, 1510241390481066772867454516481, 195045439041853604357302110432234667203
(list; graph; listen)
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OFFSET
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1,2
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FORMULA
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For n >= 1 a(n) = 3^(n^2) - A053290(n) = 3^(n^2) - (3^n - 1)(3^n - 3)...(3^n - 3^(n-1))
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MAPLE
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for n from 1 to 20 do printf(`%d, `, 3^(n^2) - product(3^n - 3^j, j=0..n-1)) od:
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CROSSREFS
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A053290.
Sequence in context: A057981 A099828 A099827 this_sequence A061687 A116056 A092815
Adjacent sequences: A060702 A060703 A060704 this_sequence A060706 A060707 A060708
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KEYWORD
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nonn
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AUTHOR
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Ahmed Fares (ahmedfares(AT)my-deja.com), Apr 20 2001
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EXTENSIONS
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More terms from James A. Sellers (sellersj(AT)math.psu.edu), Apr 23 2001
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