

A048929


Numbers that are the sum of 6 positive cubes in exactly 1 way.


5



6, 13, 20, 27, 32, 34, 39, 41, 46, 48, 53, 58, 60, 65, 67, 69, 72, 76, 79, 83, 84, 86, 90, 91, 95, 97, 98, 102, 104, 105, 109, 110, 116, 117, 121, 123, 124, 128, 130, 132, 135, 136, 137, 139, 142, 143, 144, 146, 147, 151, 153, 154, 156, 160, 161, 162, 163, 170
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OFFSET

1,1


COMMENTS

It appears that this sequence has 841 terms, the last of which is 19417. This means that all numbers greater than 19417 can be written as the sum of six positive cubes in at least two ways.  T. D. Noe, Dec 13 2006


LINKS

T. D. Noe, Table of n, a(n) for n=1..841
Eric Weisstein's World of Mathematics, Cubic Number.


MATHEMATICA

Select[ Range[200], Length[ Select[ PowersRepresentations[#, 6, 3], And @@ (Positive /@ #) &]] == 1 &] (* JeanFrançois Alcover, Oct 25 2012 *)


CROSSREFS

Cf. A003329, A048930, A048931.
Cf. A057907 (numbers not the sum of six positive cubes)
Sequence in context: A109235 A189523 A003329 * A187393 A043417 A031485
Adjacent sequences: A048926 A048927 A048928 * A048930 A048931 A048932


KEYWORD

nonn,fini


AUTHOR

Eric W. Weisstein


STATUS

approved



