login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A308088 Normal matrices of order n over GF(2). 0
2, 8, 80, 1472, 56192, 3934208, 557649920, 154665746432 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
A matrix A is normal if A^T A = A A^T, where for this sequence multiplication is performed in the field of two elements.
LINKS
Eric Weisstein's World of Mathematics, Normal Matrix
CROSSREFS
A055547 counts 0-1 matrices normal over the integers.
Sequence in context: A361425 A214689 A202999 * A130530 A134529 A289897
KEYWORD
nonn,hard,more
AUTHOR
Brendan McKay, May 11 2019
STATUS
approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified March 29 02:23 EDT 2024. Contains 371264 sequences. (Running on oeis4.)