1,1

Table of n, a(n) for n=1..52.

63 is a term because 63 = 1^3 + 2^3 + 3^3 + 3^3 and 63 is the sum of 4 but no fewer nonzero squares.

Cf. A003327, A004215.

Sequence in context: A038839 A038851 A038865 * A181556 A096023 A256813

Adjacent sequences: A274457 A274458 A274459 * A274461 A274462 A274463

nonn,easy

Altug Alkan, Jun 23 2016

approved