A104744 Round(1000*x), where x is the solution to x = 5^(n-x).

470, 1000, 1678, 2445, 3265, 4120, 5000, 5897, 6808, 7729, 8659, 9595, 10537, 11483, 12434, 13388, 14345, 15305, 16267, 17231, 18197, 19165, 20134, 21105, 22077, 23050, 24025, 25000, 25976, 26953, 27931

Offset

0,1

Comments

x is approximately n^2/(n+log_5(n)) and x=5^k for n=k+5^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. Cases m=2,3 A103354, A103537.

Links

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

Formula

a(n)=round(1000*x), x = 5^(n-x).

Crossrefs

Cf. A103354, A103537.

Sequence in context: A345522 A345776 A277119 * A251779 A251772 A253518

Adjacent sequences: A104741 A104742 A104743 * A104745 A104746 A104747

Keyword

nonn

Author

Zak Seidov, Mar 23 2005

Status

approved