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!)
A088853 Number of n X n matrices over GF(5) with characteristic polynomial x^(n-1) * (x-1). 3
1, 30, 19375, 304687500, 119171142578125, 1164078712463378906250, 284213456325232982635498046875, 1734719035084708593785762786865234375000, 264697660491697295270796530530788004398345947265625, 1009741855285318541798553204635879865236347541213035583496093750 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

REFERENCES

I. Reiner, On the number of matrices with given characteristic polynomial, Illinois J. Math. 5 1961 324-329.

LINKS

Table of n, a(n) for n=1..10.

FORMULA

a(n) = (q/(q-1))*(q^(n^2-n)-q^(-2*n+n^2)) where q = 5.

CROSSREFS

Cf. A088668, A088671, A088852.

Sequence in context: A089037 A116076 A230473 * A306917 A135349 A159373

Adjacent sequences:  A088850 A088851 A088852 * A088854 A088855 A088856

KEYWORD

nonn

AUTHOR

Yuval Dekel (dekelyuval(AT)hotmail.com) and W. Edwin Clark, Nov 29 2003

EXTENSIONS

Added more terms, Joerg Arndt, Oct 04 2013

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 October 6 09:29 EDT 2022. Contains 357263 sequences. (Running on oeis4.)