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Search: id:A081457
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| 1, 2, 4, 6, 12, 36, 120, 240, 720, 2520, 10080, 30240, 120960, 725760, 1814400, 7257600, 26611200, 159667200, 958003200, 4790016000, 10378368000, 62270208000, 261534873600, 1307674368000, 7846046208000, 62768369664000
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OFFSET
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1,2
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FORMULA
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a(n) equals smallest integer m>0 such that A086435(m^2)=n-1. [From Max Alekseyev (maxale(AT)gmail.com), Jul 16 2009] - Extended by Max Alekseyev (maxale(AT)gmail.com), Jul 16 2009
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CROSSREFS
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Cf. A081454, A081455, A081456, A083489.
Sequence in context: A095912 A143474 A087902 this_sequence A127105 A110980 A058598
Adjacent sequences: A081454 A081455 A081456 this_sequence A081458 A081459 A081460
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KEYWORD
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nonn
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AUTHOR
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Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Mar 21 2003
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EXTENSIONS
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More terms from David Garber (garber(AT)math.huji.ac.il), Jun 17 2003
More terms from Ray G. Opao (1260(AT)email.com), Aug 01 2005
Corrected and extended by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Nov 12 2006
More terms from Max Alekseyev (maxale(AT)gmail.com), Jun 05 2009
Extended by Max Alekseyev (maxale(AT)gmail.com), Jul 16 2009
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