A018027 Powers of cube root of 18 rounded down.

1, 2, 6, 18, 47, 123, 324, 849, 2225, 5832, 15284, 40055, 104976, 275114, 721005, 1889568, 4952069, 12978092, 34012224, 89137243, 233605663, 612220032, 1604470380, 4204901941, 11019960576, 28880466844, 75688234942, 198359290368, 519848403193, 1362388228962

Offset

0,2

Links

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

Mathematica

Table[Floor[18^(n/3)], {n, 0, 40}]  (* Vincenzo Librandi, Jan 06 2014 *)
Floor[CubeRoot[18]^Range[0, 30]] (* Harvey P. Dale, Mar 09 2026 *)

Prog

(Magma) [Floor(18^(n/3)): n in [0..40]]; // Vincenzo Librandi, Jan 06 2014

Crossrefs

Cf. powers of cube root of k rounded down: A017979 (k=2), A017982 (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), this sequence (k=18), A018030 (k=19), A018033 (k=20), A018036 (k=21), A018039 (k=22), A018042 (k=23), A018045 (k=24).

Sequence in context: A248169 A002529 A217526 * A218759 A381208 A295499

Adjacent sequences: A018024 A018025 A018026 * A018028 A018029 A018030

Keyword

nonn

Author

N. J. A. Sloane

Extensions

More terms from Vincenzo Librandi, Jan 06 2014

Status

approved