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A168608 Decimal expansion of average of two-digit 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 (list; constant; graph; refs; listen; history; text; internal format)
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

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Last modified October 20 07:17 EDT 2018. Contains 316378 sequences. (Running on oeis4.)