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 A241095 a(n) = (5^n - 1)^n. 2
 1, 4, 576, 1906624, 151613669376, 297546691796890624, 14546328186912540283109376, 17761976839391142146587243652890624, 542089984111981439129333008468155364987109376, 413588400456285638417956135979678948104381423950212890624 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 COMMENTS Number of n X n {-2,-1,0,1,2} matrices with no zero rows. LINKS Table of n, a(n) for n=0..9. MATHEMATICA Join[{1}, Table[(5^n-1)^n, {n, 10}]] (* Harvey P. Dale, May 24 2023 *) CROSSREFS Cf. A055601, A060613, A240091. Sequence in context: A114764 A134372 A177926 * A343474 A177963 A102201 Adjacent sequences: A241092 A241093 A241094 * A241096 A241097 A241098 KEYWORD nonn AUTHOR Hannah Ko, Apr 15 2014 EXTENSIONS More terms from Alois P. Heinz, Apr 23 2014 STATUS approved

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Last modified June 12 17:15 EDT 2024. Contains 373339 sequences. (Running on oeis4.)