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A018001
Powers of cube root of 9 rounded to nearest integer.
22
1, 2, 4, 9, 19, 39, 81, 168, 350, 729, 1516, 3154, 6561, 13647, 28388, 59049, 122827, 255490, 531441, 1105442, 2299412, 4782969, 9948976, 20694705, 43046721, 89540788, 186252345, 387420489, 805867092, 1676271101, 3486784401, 7252803827, 15086439912
OFFSET
0,2
LINKS
MATHEMATICA
Table[Round[9^(n/3)], {n, 0, 40}] (* Vincenzo Librandi, Jan 07 2014 *)
PROG
(Magma) [Round(9^(n/3)): n in [0..50]]; // Vincenzo Librandi, Jan 07 2014
CROSSREFS
Cf. powers of cube root of k rounded up: A017980 (k=2), A017983 (k=3), A017986 (k=4), A017989 (k=5), A017992 (k=6), A017995 (k=7), this sequence (k=9), A018004 (k=10), A018007 (k=11), A018010 (k=12), A018013 (k=13), A018016 (k=14), A018019 (k=15), A018022 (k=16), A018025 (k=17), A018028 (k=18), A018031 (k=19), A018034 (k=20), A018037 (k=21), A018040 (k=22), A018043 (k=23), A018046 (k=24).
Sequence in context: A054135 A171858 A099568 * A018099 A011955 A084172
KEYWORD
nonn
EXTENSIONS
More terms from Vincenzo Librandi, Jan 07 2013
STATUS
approved