

A168608


Decimal expansion of average of twodigit primes.


1



4, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6
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OFFSET

2,1


COMMENTS

Primes between 10 and 100: 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, the number of which is 21, and their sum is 1043. Therefore: 1043/21 = 49.66666666666666666666666666666666...


LINKS

Table of n, a(n) for n=2..106.


MATHEMATICA

RealDigits[Mean[Prime[Range[PrimePi[11], PrimePi[99]]]], 10, 120][[1]] (* Harvey P. Dale, May 02 2013 *)


CROSSREFS

Cf. A000040.
Sequence in context: A108533 A200414 A248866 * A200383 A199513 A236022
Adjacent sequences: A168605 A168606 A168607 * A168609 A168610 A168611


KEYWORD

cons,nonn,base,less


AUTHOR

Zak Seidov, Dec 01 2009


STATUS

approved



