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URL: https://oeis.org/A094971

⇱ A094971 - OEIS

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A094971
a(n) = floor(9^n/2^n).
1
1, 4, 20, 91, 410, 1845, 8303, 37366, 168151, 756680, 3405062, 15322783, 68952523, 310286355, 1396288601, 6283298708, 28274844190, 127236798856, 572565594852, 2576545176835, 11594453295761, 52175039830928, 234787679239180
OFFSET
0,2
LINKS
MATHEMATICA
Table[ Floor[(9/2)^n], {n, 0, 30}]
PROG
(Magma) [Floor(9^n / 2^n): n in [0..30]]; // Vincenzo Librandi, Sep 08 2011
(PARI) a(n)=9^n>>n \\ Charles R Greathouse IV, Feb 04 2016
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Robert G. Wilson v, May 26 2004
STATUS
approved