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A025418 Least sum of 3 positive cubes in exactly n ways. 3

%I #15 Jun 15 2018 07:35:18

%S 3,251,5104,13896,161568,1296378,2016496,2562624,14926248,34012224,

%T 69190848,150547032,119095488,1204376256,952763904,1592865000,

%U 3974344704,2176782336,10077696000,2985984000,36330467328,30723115968,23887872000,17414258688,72825163776,75686967000,204141384000,62099136000,139314069504,245784927744,80621568000,191102976000,272097792000,373248000000

%N Least sum of 3 positive cubes in exactly n ways.

%C a(36) = 496793088000. a(37) = 980922617856. a(38) = 209584584000. a(39) = 644972544000. a(42) = 970299000000. - _Donovan Johnson_

%D J.-M. De Koninck, Ces nombres qui nous fascinent, Entry 251, p. 69, Ellipses, Paris 2008.

%F {min k: A025456(k) = n}. - _R. J. Mathar_, Jun 15 2018

%K nonn

%O 1,1

%A _David W. Wilson_

%E More terms from _Lekraj Beedassy_, Jul 20 2008

%E a(9) corrected and a(11)-a(34) from _Donovan Johnson_, Nov 13 2010

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Last modified April 23 02:23 EDT 2024. Contains 371906 sequences. (Running on oeis4.)