A073342 Average digit (rounded to the nearest integer) in the decimal expansion of n-th prime.

2, 3, 5, 7, 1, 2, 4, 5, 3, 6, 2, 5, 3, 4, 6, 4, 7, 4, 7, 4, 5, 8, 6, 9, 8, 1, 1, 3, 3, 2, 3, 2, 4, 4, 5, 2, 4, 3, 5, 4, 6, 3, 4, 4, 6, 6, 1, 2, 4, 4, 3, 5, 2, 3, 5, 4, 6, 3, 5, 4, 4, 5, 3, 2, 2, 4, 2, 4, 5, 5, 4, 6, 5, 4, 6, 5, 7, 6, 2, 4, 5, 2, 3, 3, 5, 4, 6, 5, 4, 4, 6, 7, 6, 5, 7, 3, 5, 3, 3, 3, 5, 6, 5, 7, 4, 6, 7, 6, 8, 2, 4, 3, 5, 5, 3, 4, 4, 6, 5, 7

Offset

1,1

Links

Table of n, a(n) for n=1..120.

Formula

a(n)=round(A007605(n)/A097944(n)). - R. J. Mathar, Sep 23 2008

Example

For the prime 107 we have nearest((1+0+7)/3)=nearest(8/3)=3.

Mathematica

Floor[Mean[IntegerDigits[#]]+1/2]&/@Prime[Range[120]] (* Harvey P. Dale, Nov 22 2011 *)

Crossrefs

Cf. A000040, A074462.

Sequence in context: A117819 A074461 A285095 * A074462 A113656 A007652

Adjacent sequences: A073339 A073340 A073341 * A073343 A073344 A073345

Keyword

easy,nonn,base

Author

Y. Kelly Itakura (yitkr(AT)mta.ca), Aug 23 2002

Extensions

Changed offset to 1, added Cf. to A074462 and extended. - R. J. Mathar, Sep 23 2008

Status

approved