A092800 Mean (rounded) of primes below 10^n.

4, 42, 453, 4668, 47372, 478361, 4820082, 48461680, 486543007, 4880365186, 48922874243, 490205054291, 4910186835993

Offset

1,1

Links

Table of n, a(n) for n=1..13.

Formula

Add primes and divide total by the count of primes below 10^n

A046731(n)/A006880(n). - Robert G. Wilson v, Jan 19 2007

Example

a(7)=4820082 because the mean of primes below 10^7 is 4820081.577

Crossrefs

Cf. A091716.

Sequence in context: A046719 A366819 A335776 * A370282 A268542 A249928

Adjacent sequences: A092797 A092798 A092799 * A092801 A092802 A092803

Keyword

nonn

Author

Enoch Haga, Mar 06 2004

Extensions

a(9)-a(13) from Robert G. Wilson v, Jan 19 2007

Status

approved