cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

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

Original entry on oeis.org

4, 42, 453, 4668, 47372, 478361, 4820082, 48461680, 486543007, 4880365186, 48922874243, 490205054291, 4910186835993, 49170709786317, 492297202098380, 4928087057164426, 49325636340385940, 493651449428949382, 4940027276202057447, 49431711317962542892, 494600136049092471546
Offset: 1

Views

Author

Enoch Haga, Mar 06 2004

Keywords

Comments

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

Examples

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

Crossrefs

Formula

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

Extensions

a(9)-a(13) from Robert G. Wilson v, Jan 19 2007
a(14) onwards from Amiram Eldar, Jun 14 2024