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URL: https://oeis.org/A241095

⇱ A241095 - OEIS

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A241095
a(n) = (5^n - 1)^n.
2
1, 4, 576, 1906624, 151613669376, 297546691796890624, 14546328186912540283109376, 17761976839391142146587243652890624, 542089984111981439129333008468155364987109376, 413588400456285638417956135979678948104381423950212890624
OFFSET
0,2
COMMENTS
Number of n X n {-2,-1,0,1,2} matrices with no zero rows.
MATHEMATICA
Join[{1}, Table[(5^n-1)^n, {n, 10}]] (* Harvey P. Dale, May 24 2023 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Hannah Ko, Apr 15 2014
EXTENSIONS
More terms from Alois P. Heinz, Apr 23 2014
STATUS
approved