A053174 - OEIS

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A053174

Number of 3 X 3 integer matrices with elements in the range [ -n,n ] which represent a six-fold rotation. Also the sequence for the corresponding six-fold rotoinversions.

228, 1596, 9660, 20988, 43284, 77028, 163452, 230796, 343788, 455628 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,1`
	CROSSREFS	`A053170 = 2 * (1 + A053171 + A053172 + A053173 + this sequence).` `Sequence in context: A043411 A172531 A206005 * A103837 A064245 A201238` `Adjacent sequences: A053171 A053172 A053173 * A053175 A053176 A053177`
	KEYWORD	`nonn`
	AUTHOR	`Ralf W. Grosse-Kunstleve (rwgk(AT)cci.lbl.gov), Mar 26 2000`

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Last modified February 17 18:23 EST 2012. Contains 206063 sequences.