id:A051680 - OEIS Search Results

Search: id:A051680

Displaying 1-1 of 1 results found.

page 1

Number of n X n invertible matrices A over GF(3) such that A-I is invertible.

+0
2

1, 27, 6291, 13589289, 266377183929, 47123189360124723, 75095231825148137471259, 1077370264330489309698453375441, 139124702920688202983704723564457669361 (list; graph; listen)

	OFFSET	`1,2`
	FORMULA	`a(n) = 3^binomial(n,2)b(n), with b(0)=1, b(n)=(3^n-1)b(n-1)+(-1)^(n). - Vladeta Jovovic (vladeta(AT)Eunet.yu), Aug 20 2006`
	CROSSREFS	`Cf. A002820.` `Sequence in context: A046367 A059795 A123395 this_sequence A013828 A001321 A111415` `Adjacent sequences: A051677 A051678 A051679 this_sequence A051681 A051682 A051683`
	KEYWORD	`nonn,nice`
	AUTHOR	`Vladeta Jovovic (vladeta(AT)Eunet.yu), Mar 17 2000`

page 1

Search completed in 0.002 seconds

Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.

AT&T Labs Research