A018120 Powers of fifth root of 3 rounded down.

1, 1, 1, 1, 2, 3, 3, 4, 5, 7, 9, 11, 13, 17, 21, 27, 33, 41, 52, 65, 81, 100, 125, 156, 195, 243, 302, 377, 469, 585, 729, 908, 1131, 1409, 1755, 2187, 2724, 3393, 4227, 5266, 6561, 8173, 10181, 12683, 15800, 19683, 24519, 30544, 38050, 47401, 59049, 73559, 91634, 114152, 142203, 177147

Offset: 0

Author

N. J. A. Sloane

Keywords

• nonn

Links

• Vincenzo Librandi, Table of n, a(n) for n = 0..2000

Crossrefs

Cf. A005532.

Programs

Magma

seq := [Floor(3^(n/5)) : n in [0..60]]; seq; // Vincenzo Librandi, Jun 12 2025

Mathematica

Table[Floor[(3^(1/5))^n],{n,0,50}] (* Vincenzo Librandi, Jun 12 2025 *)