A293342 Least integer k such that k/2^n > Pi.

4, 7, 13, 26, 51, 101, 202, 403, 805, 1609, 3217, 6434, 12868, 25736, 51472, 102944, 205888, 411775, 823550, 1647100, 3294199, 6588398, 13176795, 26353590, 52707179, 105414358, 210828715, 421657429, 843314857, 1686629714, 3373259427, 6746518853, 13493037705

Offset

0,1

Links

Clark Kimberling, Table of n, a(n) for n = 0..1000

Formula

a(n) = ceiling(Pi*2^n).

a(n) = A068425(n) + 1.

Mathematica

z = 120; r = Pi;
Table[Floor[r*2^n], {n, 0, z}];   (* A068425 *)
Table[Ceiling[r*2^n], {n, 0, z}]; (* A293342 *)
Table[Round[r*2^n], {n, 0, z}]; (* A121349 *)

Crossrefs

Cf. A000796, A068425, A121349.

Sequence in context: A074865 A072683 A304004 * A298346 A122552 A197546

Adjacent sequences: A293339 A293340 A293341 * A293343 A293344 A293345

Keyword

nonn,easy

Author

Clark Kimberling, Oct 10 2017

Status

approved