id:A053174 - OEIS Search Results

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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.

+0
6

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

	OFFSET	`1,1`
	CROSSREFS	`A053170 = 2 * (1 + A053171 + A053172 + A053173 + this sequence).` `Sequence in context: A154519 A128808 A043411 this_sequence A103837 A064245 A098246` `Adjacent sequences: A053171 A053172 A053173 this_sequence A053175 A053176 A053177`
	KEYWORD	`nonn`
	AUTHOR	`Ralf W. Grosse-Kunstleve (rwgk(AT)cci.lbl.gov), Mar 26 2000`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

AT&T Labs Research