id:A068197 - OEIS Search Results

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Number of squares (of another matrix) in M_2(n) - the ring of 2 X 2 matrices over Z_n.

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1

10, 29, 48, 223, 290, 865, 344, 1587, 2230, 5341, 1392, 10459, 8650, 6467, 3182, 30745, 15870, 48061, 10704 (list; graph; listen)

	OFFSET	`2,1`
	COMMENT	`a(n) is multiplicative. This is the 2-dimensional analogue of A000224.`
	CROSSREFS	`Cf. A000224, A068516.` `Sequence in context: A098751 A143190 A009771 this_sequence A079273 A048469 A048772` `Adjacent sequences: A068194 A068195 A068196 this_sequence A068198 A068199 A068200`
	KEYWORD	`nonn,mult`
	AUTHOR	`Sharon Sela (sharonsela(AT)hotmail.com), Mar 23 2002`

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Last modified November 23 10:40 EST 2009. Contains 167421 sequences.