A018135 Powers of fifth root of 8 rounded down.

1, 1, 2, 3, 5, 8, 12, 18, 27, 42, 64, 97, 147, 222, 337, 512, 776, 1176, 1782, 2702, 4096, 6208, 9410, 14263, 21618, 32768, 49667, 75281, 114104, 172950, 262144, 397336, 602248, 912838, 1383604, 2097152, 3178688, 4817990, 7302707, 11068834, 16777216, 25429504, 38543920, 58421659, 88550676, 134217728

Offset

0,3

Links

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

Mathematica

Floor[Surd[8, 5]^Range[0, 40]] (* Harvey P. Dale, Jun 16 2016 *)
Table[Floor[(8^(1/5))^n], {n, 0, 50}] (* Vincenzo Librandi, Jun 12 2025 *)

Prog

(Magma) seq := [Floor(8^(n/5)) : n in [0..60]]; seq; // Vincenzo Librandi, Jun 12 2025

Crossrefs

Cf. A011093.

Sequence in context: A156623 A061419 A130732 * A065435 A301750 A086676

Adjacent sequences: A018132 A018133 A018134 * A018136 A018137 A018138

Keyword

nonn

Author

N. J. A. Sloane

Status

approved