id:A054752 - OEIS Search Results

Search: id:A054752

Displaying 1-1 of 1 results found.

page 1

Number of inequivalent n X n matrices over GF(5) under action of dihedral group of the square D_4.

+0
2

1, 5, 120, 252375, 19076074375, 37252918396015625, 1818989403666496277343750, 2220446049250331744551658935546875, 67762635780344027129112510010600128173828125 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`1/8(5^(n^2)+25^(n^2/4)+35^(n^2/2)+25^((n^2+n)/2)) if n is even and 1/8(5^(n^2)+25^((n^2+3)/4)+5^((n^2+1)/2)+4*5^((n^2+n)/2)) if n is odd.`
	CROSSREFS	`Cf. A054247.` `Sequence in context: A002008 A099123 A097993 this_sequence A128275 A028448 A108791` `Adjacent sequences: A054749 A054750 A054751 this_sequence A054753 A054754 A054755`
	KEYWORD	`easy,nonn`
	AUTHOR	`Vladeta Jovovic (vladeta(AT)Eunet.yu), May 15 2000`

page 1

Search completed in 0.002 seconds

Last modified August 29 17:54 EDT 2008. Contains 143238 sequences.

AT&T Labs Research