1,1

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

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

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

Cf. A003327.

Sequence in context: A074474 A070420 A223423 * A328414 A083681 A178660

Adjacent sequences: A274331 A274332 A274333 * A274335 A274336 A274337

nonn,easy

Altug Alkan, Jun 23 2016

approved