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A114762
a(n) = floor(3^(1/2)*10^n)^2.
13
1, 289, 29929, 2999824, 299982400, 29999972025, 2999997202500, 299999997378064, 29999999737806400, 2999999998029351249, 299999999976140205625, 29999999999692481531536, 2999999999996960966074624, 299999999999973224736673344
OFFSET
0,2
COMMENTS
Largest square < 3*10^(2n).
LINKS
EXAMPLE
a(1) = floor(3^(1/2)*10)^2 = 17^2 = 289.
MATHEMATICA
Table[Floor[3^(1/2)*10^n]^2, {n, 0, 20}] (* Stefan Steinerberger, Apr 14 2006 *)
Floor[Sqrt[3] 10^Range[0, 20]]^2 (* Harvey P. Dale, Sep 25 2021 *)
CROSSREFS
Cf. A114761.
Sequence in context: A156575 A296404 A156161 * A226747 A260866 A252360
KEYWORD
base,nonn,less
AUTHOR
Amarnath Murthy, Nov 17 2005
EXTENSIONS
More terms from Stefan Steinerberger, Apr 14 2006
STATUS
approved