A274334 - OEIS

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A274334

Numbers n such that n^3 is the sum of 4 positive cubes.

0

7, 12, 13, 14, 18, 20, 21, 23, 24, 25, 26, 28, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 59, 60, 62, 63, 64, 65, 66, 67, 68, 69, 70, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Conjecture: a(n) = n + 21 for all n > 50. - Charles R Greathouse IV, Jan 14 2017

LINKS

Table of n, a(n) for n=1..72.

Index to sequences related to diophantine equations (3,1,4)

EXAMPLE

7 is a term because 7^3 = 1^3 + 1^3 + 5^3 + 6^3.

CROSSREFS

Sequence in context: A074474 A070420 A223423 * A328414 A083681 A178660

Adjacent sequences: A274331 A274332 A274333 * A274335 A274336 A274337

KEYWORD

nonn,easy

AUTHOR

Altug Alkan, Jun 23 2016

STATUS

approved