A091946 a(n) = floor(11^n/10^n).

1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 4, 4, 5, 5, 6, 6, 7, 8, 8, 9, 10, 11, 13, 14, 15, 17, 19, 21, 23, 25, 28, 30, 34, 37, 41, 45, 49, 54, 60, 66, 72, 80, 88, 97, 106, 117, 129, 142, 156, 171, 189, 207, 228, 251, 276, 304, 334, 368, 405, 445, 490, 539, 593, 652, 717, 789

Offset: 0

Author

Reinhard Zumkeller, Feb 16 2004

Keywords

• nonn
• easy

Examples

			a(2) = floor(1.1^2) = floor(1.21) = 1.
		

Links

• Vincenzo Librandi, Table of n, a(n) for n = 0..900

Crossrefs

Cf. A001020, A011557.

Cf. A002379, A094969-A094500, A091947.

Programs

Magma

[Floor(11^n / 10^n): n in [0..70]]; // Vincenzo Librandi, Sep 08 2011

Mathematica

Table[ Floor[(11/10)^n], {n, 0, 70}]

Formula

a(n) = floor(1.1^n) = floor(A001020(n)/A011557(n)).

Extensions

More terms from Robert G. Wilson v, May 26 2004