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Search: id:A065738
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| A065738 |
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Largest square <= Binomial[2n,n]. |
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+0
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
(list; graph; listen)
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OFFSET
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1,2
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LINKS
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Harry J. Smith, Table of n, a(n) for n=1,...,200
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FORMULA
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a(n)=A048760[A000984(n)]
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PROGRAM
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(PARI) { for (n=1, 200, a=sqrtint(binomial(2*n, n))^2; write("b065738.txt", n, " ", a) ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Oct 29 2009]
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CROSSREFS
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Cf. A048760, A000984, A065730-A065741
Sequence in context: A029993 A158988 A027676 this_sequence A006811 A005755 A077821
Adjacent sequences: A065735 A065736 A065737 this_sequence A065739 A065740 A065741
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KEYWORD
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easy,nonn,new
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AUTHOR
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Labos E. (labos(AT)ana.sote.hu), Nov 15 2001
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EXTENSIONS
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Terms corrected and extended by Harry J. Smith (hjsmithh(AT)sbcglobal.net), Oct 29 2009
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