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A065736 Largest square <= 10^n. 2
9, 100, 961, 10000, 99856, 1000000, 9998244, 100000000, 999950884, 10000000000, 99999515529, 1000000000000, 9999995824729, 100000000000000, 999999961946176, 10000000000000000, 99999999989350756 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Harry J. Smith, Table of n, a(n) for n = 1..100

FORMULA

a(n) = A048760(A011557) = A048760(10^n).

MATHEMATICA

Table[Floor[Sqrt[10^n]]^2, {n, 20}] (* Harvey P. Dale, Dec 04 2014 *)

PROG

(PARI) { for (n=1, 100, a=sqrtint(10^n)^2; write("b065736.txt", n, " ", a) ) } \\ Harry J. Smith, Oct 28 2009

CROSSREFS

Cf. A048760, A011557, A065730-A065741.

Sequence in context: A017018 A027769 A266098 * A092936 A056002 A060150

Adjacent sequences:  A065733 A065734 A065735 * A065737 A065738 A065739

KEYWORD

easy,nonn

AUTHOR

Labos Elemer, Nov 15 2001

STATUS

approved

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Last modified May 10 21:08 EDT 2021. Contains 343780 sequences. (Running on oeis4.)