

A001476


Numbers that are not the sum of distinct positive cubes.


8



2, 3, 4, 5, 6, 7, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 29, 30, 31, 32, 33, 34, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 66, 67, 68, 69, 70, 71, 74, 75, 76
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OFFSET

1,1


COMMENTS

Complement of A003997.
There are 85 terms below 100, 793 terms below 1000, but only 2765 terms below 10^4, and only 23 more up to the largest term a(2788)=12758.  M. F. Hasler, Feb 25 2012
Indices k such that A279329(k) = 0.  Vaclav Kotesovec, Sep 22 2017


LINKS

T. D. Noe, Table of n, a(n) for n = 1..2788 (complete sequence)
R. E. Dressler and T. Parker, 12,758, Math. Comp. 28 (1974), 313314.
R. Sprague, Über Zerlegungen in nte Potenzen mit lauter verschiedenen Grundzahlen, Math. Z. 51, (1948). 466468.
Eric Weisstein's World of Mathematics, Cubic Number


MATHEMATICA

Cubes[ n_ ] := Block[ {A, i}, A = {0}; if[ n>0, Do[ A = Union[ A, A + i*i*i ], {i, n} ]; ]; Return[ A ]; ]; Q = Complement[ Table[ i, {i, 1, 12760} ], Cubes[ 23 ] ]


CROSSREFS

Cf. A001422, A003997, A279329, A279486.
Sequence in context: A073678 A210947 A031981 * A279486 A039269 A039207
Adjacent sequences: A001473 A001474 A001475 * A001477 A001478 A001479


KEYWORD

nonn,fini,full


AUTHOR

Jeff Adams (jeff.adams(AT)byu.net)


EXTENSIONS

Definition clarified by Jeppe Stig Nielsen, Jan 27 2015


STATUS

approved



