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Search: id:A081456
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| 1, 4, 16, 36, 144, 1296, 14400, 57600, 518400, 6350400, 101606400, 914457600, 14631321600, 526727577600, 3292047360000, 52672757760000, 708155965440000, 25493614755840000, 917770131210240000, 22944253280256000000
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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 square m^2 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, A081457.
Sequence in context: A114268 A136404 A046952 this_sequence A130279 A030158 A054246
Adjacent sequences: A081453 A081454 A081455 this_sequence A081457 A081458 A081459
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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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