A017982 Powers of cube root of 3 rounded down.

1, 1, 2, 3, 4, 6, 9, 12, 18, 27, 38, 56, 81, 116, 168, 243, 350, 505, 729, 1051, 1516, 2187, 3154, 4549, 6561, 9462, 13647, 19683, 28387, 40942, 59049, 85163, 122826, 177147, 255490, 368480, 531441, 766470, 1105441, 1594323, 2299411, 3316325, 4782969, 6898234

Offset

0,3

Links

Vincenzo Librandi, Table of n, a(n) for n = 0..200

Mathematica

Table[Floor[3^(n/3)], {n, 0, 50}] (* Vincenzo Librandi, Jan 06 2014 *)

Prog

(Magma) [Floor(3^(n/3)): n in [0..50]]; // Vincenzo Librandi, Jan 06 2014

Crossrefs

Cf. sequences of the type: Powers of cube root of (k) rounded down A017979 (k=2), this sequence (k=3), A017985 (k=4), A017988 (k=5), A017991 (k=6), A017994 (k=7), A018000 (k=9), A018003 (k=10), A018006 (k=11), A018009 (k=12), A018012 (k=13), A018015 (k=14), A018018 (k=15), A018021 (k=16), A018024 (k=17), A018027 (k=18), A018030 (k=19), A018033 (k=20), A018036 (k=21), A018039 (k=22), A018042 (k=23), A018045 (k=24).

Sequence in context: A018287 A199014 A017823 * A139076 A126011 A018256

Adjacent sequences: A017979 A017980 A017981 * A017983 A017984 A017985

Keyword

nonn

Author

N. J. A. Sloane.

Extensions

More terms from Vincenzo Librandi, Jan 06 2014

Status

approved