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

Author

Mohammad K. Azarian, Nov 18 2007

Keywords

• nonn

Crossrefs

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

Programs

Mathematica

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