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A065738
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Largest square <= binomial(2n,n).
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1
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1, 4, 16, 64, 225, 900, 3364, 12769, 48400, 184041, 703921, 2702736, 10394176, 40106889, 155102116, 601034256, 2333566249, 9075039169, 35345128009, 137845868176, 538256995600, 2104098203601, 8233427666025, 32247599617809
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OFFSET
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1,2
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LINKS
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FORMULA
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PROG
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(PARI) { for (n=1, 200, a=sqrtint(binomial(2*n, n))^2; write("b065738.txt", n, " ", a) ) } \\ Harry J. Smith, Oct 29 2009
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CROSSREFS
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KEYWORD
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easy,nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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