A103537 Round(1000*x), where x is the solution to x = 3^(n-x).

548, 1000, 1582, 2258, 3000, 3788, 4609, 5456, 6322, 7203, 8096, 9000, 9912, 10831, 11757, 12687, 13623, 14562, 15505, 16451, 17400, 18351, 19305, 20261, 21219, 22179, 23140, 24103, 25068, 26033, 27000

Offset

0,1

Comments

x is approximately n^2/(n+log_3(n)) and x=3^k for n=k+3^k; more generally, solution to x=m^(n-x)is approximately n^2/(n+log_m(n)) and x=m^k for n=k+m^k. Case m=2 A103354.

Links

Table of n, a(n) for n=0..30.

Formula

a(n)=round(1000*x), x = 3^(n-x).

Crossrefs

Cf. A103354.

Sequence in context: A300899 A253546 A015324 * A136928 A249297 A245957

Adjacent sequences: A103534 A103535 A103536 * A103538 A103539 A103540

Keyword

nonn

Author

Zak Seidov, Mar 23 2005

Status

approved