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A086778
Number of n X n matrices over GF(5) with rank n-1.
0
1, 144, 461280, 36211968000, 70794513504000000, 3457427279866560000000000, 4220654362961578542000000000000000, 128805138489674665490472000000000000000000000
OFFSET
1,2
FORMULA
For n>=2: a(n) = product j=0...n-2 (5^n - 5^j)^2 / (5^(n-1)- 5^j).
CROSSREFS
KEYWORD
nonn
AUTHOR
Yuval Dekel (dekelyuval(AT)hotmail.com), Aug 03 2003
EXTENSIONS
More terms from David Wasserman, Mar 28 2005
STATUS
approved