A132944 a(n) = floor(n^(1/3) + n^(1/4)).

2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 7, 7, 7

Offset

1,1

Links

Table of n, a(n) for n=1..78.

Mathematica

Table[Floor[Surd[n, 3]+Surd[n, 4]], {n, 78}] (* James C. McMahon, Mar 09 2025 *)

Crossrefs

Cf. A000196, A003059, A134914, A134915, A134916.

Sequence in context: A294235 A186188 A227177 * A210568 A262887 A106432

Adjacent sequences: A132941 A132942 A132943 * A132945 A132946 A132947

Keyword

nonn,changed

Author

Mohammad K. Azarian, Nov 18 2007

Status

approved