# Greetings from The On-Line Encyclopedia of Integer Sequences! http://oeis.org/ Search: id:a088853 Showing 1-1 of 1 %I A088853 #13 Oct 05 2013 06:05:37 %S A088853 1,30,19375,304687500,119171142578125,1164078712463378906250, %T A088853 284213456325232982635498046875, %U A088853 1734719035084708593785762786865234375000,264697660491697295270796530530788004398345947265625,1009741855285318541798553204635879865236347541213035583496093750 %N A088853 Number of n X n matrices over GF(5) with characteristic polynomial x^(n-1) * (x-1). %D A088853 I. Reiner, On the number of matrices with given characteristic polynomial, Illinois J. Math. 5 1961 324-329. %F A088853 a(n) = (q/(q-1))*(q^(n^2-n)-q^(-2*n+n^2)) where q = 5. %Y A088853 Cf. A088668, A088671, A088852. %K A088853 nonn %O A088853 1,2 %A A088853 Yuval Dekel (dekelyuval(AT)hotmail.com) and _W. Edwin Clark_, Nov 29 2003 %E A088853 Added more terms, _Joerg Arndt_, Oct 04 2013 # Content is available under The OEIS End-User License Agreement: http://oeis.org/LICENSE