A094981 a(n) = floor(9^n/4^n).

1, 2, 5, 11, 25, 57, 129, 291, 656, 1477, 3325, 7481, 16834, 37876, 85222, 191751, 431439, 970739, 2184164, 4914369, 11057332, 24878997, 55977744, 125949925, 283387333, 637621500, 1434648375, 3227958844, 7262907400, 16341541651

Offset

0,2

Links

Vincenzo Librandi, Table of n, a(n) for n = 0..1000

Mathematica

Table[ Floor[(9/4)^n], {n, 0, 30}]

Prog

(Magma) [Floor(9^n / 4^n): n in [0..40]]; // Vincenzo Librandi, Sep 08 2011
(Maxima) A094981(n):=floor(9^n/4^n)$ makelist(A094981(n), n, 0, 60); /* Martin Ettl, Oct 25 2012 */

Crossrefs

Cf. A002379, A094969 - A094999.

Sequence in context: A006054 A106805 A356846 * A304969 A239812 A097779

Adjacent sequences: A094978 A094979 A094980 * A094982 A094983 A094984

Keyword

nonn,easy

Author

Robert G. Wilson v, May 26 2004

Status

approved