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A065730 Largest square <= n-th prime. 12
1, 1, 4, 4, 9, 9, 16, 16, 16, 25, 25, 36, 36, 36, 36, 49, 49, 49, 64, 64, 64, 64, 81, 81, 81, 100, 100, 100, 100, 100, 121, 121, 121, 121, 144, 144, 144, 144, 144, 169, 169, 169, 169, 169, 196, 196, 196, 196, 225, 225, 225, 225, 225, 225, 256, 256, 256, 256, 256 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Harry J. Smith, Table of n, a(n) for n=1,...,1000

FORMULA

a(n)=A048760[A000040(n)]

PROG

(PARI) { for (n=1, 1000, a=sqrtint(prime(n))^2; write("b065730.txt", n, " ", a) ) } [From Harry J. Smith, Oct 28 2009]

CROSSREFS

Cf. A048760, A000040, A065731-A065741

Sequence in context: A168280 A162564 A014694 * A246934 A206919 A168039

Adjacent sequences:  A065727 A065728 A065729 * A065731 A065732 A065733

KEYWORD

easy,nonn

AUTHOR

Labos Elemer, Nov 15 2001

STATUS

approved

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Last modified December 21 23:06 EST 2014. Contains 252326 sequences.