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 A060705 Singular n X n matrices over GF(3). 2
 1, 33, 8451, 18785601, 371722135203, 65965023738046161, 105230885027939446251843, 1510241390481066772867454516481, 195045439041853604357302110432234667203 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS Harry J. Smith, Table of n, a(n) for n = 1..45 FORMULA For n >= 1, a(n) = 3^(n^2) - A053290(n) = 3^(n^2) - (3^n - 1)*(3^n - 3)*...*(3^n - 3^(n-1)). MAPLE for n from 1 to 20 do printf(`%d, `, 3^(n^2) - product(3^n - 3^j, j=0..n-1)) od: PROG (PARI) a(n)={3^(n^2) - prod(j=0, n-1, 3^n - 3^j)} \\ Harry J. Smith, Jul 09 2009 CROSSREFS Cf. A053290. Sequence in context: A269793 A336197 A336261 * A061687 A116056 A337807 Adjacent sequences:  A060702 A060703 A060704 * A060706 A060707 A060708 KEYWORD nonn AUTHOR Ahmed Fares (ahmedfares(AT)my-deja.com), Apr 20 2001 EXTENSIONS More terms from James A. Sellers, Apr 23 2001 STATUS approved

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Last modified April 11 11:31 EDT 2021. Contains 342886 sequences. (Running on oeis4.)