A065482 a(n) = round( 2^n/n ).

2, 2, 3, 4, 6, 11, 18, 32, 57, 102, 186, 341, 630, 1170, 2185, 4096, 7710, 14564, 27594, 52429, 99864, 190650, 364722, 699051, 1342177, 2581110, 4971027, 9586981, 18512790, 35791394, 69273666, 134217728, 260301048, 505290270, 981706811, 1908874354, 3714566310

Offset

1,1

Links

Harry J. Smith, Table of n, a(n) for n = 1..300

Formula

a(n) = A082894(n)/n.

a(n) = floor((2^n + floor(n/2))/n).

Mathematica

Table[Floor[(Floor[n/2]+2^n)/n], {n, 1, 100}]

Prog

(PARI) a(n) = { round(2^n/n) } \\ Harry J. Smith, Oct 20 2009
(Magma) [Round(2^n/n): n in [1..30]]; // G. C. Greubel, Jan 18 2018

Crossrefs

Cf. A000799, A053638, A082893-A082900.

Sequence in context: A013588 A108150 A066015 * A323481 A319638 A179637

Adjacent sequences: A065479 A065480 A065481 * A065483 A065484 A065485

Keyword

nonn

Author

N. J. A. Sloane, Dec 03 2001

Status

approved