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A053290 Number of nonsingular n X n matrices over GF(3). 15
1, 2, 48, 11232, 24261120, 475566474240, 84129611558952960, 134068444202678083338240, 1923442429811445711790394572800, 248381049201184165590947520186915225600 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

LINKS

J. Overbey, W. Traves and J. Wojdylo, On the Keyspace of the Hill Cipher

FORMULA

(3^n - 1)(3^n - 3)...(3^n - 3^(n-1))

CROSSREFS

Cf. A002884, A053291-A053293.

Cf. A003787.

Sequence in context: A053071 A002820 A196448 * A056989 A090770 A081960

Adjacent sequences:  A053287 A053288 A053289 * A053291 A053292 A053293

KEYWORD

easy,nonn

AUTHOR

Stephen G. Penrice (spenrice(AT)ets.org), Mar 04 2000

EXTENSIONS

More terms from Vladeta Jovovic (vladeta(AT)eunet.rs), Mar 16 2000

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Last modified February 14 14:07 EST 2012. Contains 205623 sequences.