2,1

Marcus du Sautoy, "The Music of the Primes," HarperCollins, NY, 2003, page 6.

Table of n, a(n) for n=2..105.

a(10)=3 because there are 3 primes, 9999999929, 9999999943 and 9999999967, in

the 100 numbers below 10^10.

Sequence in context: A040603 A033345 A241309 * A040602 A281335 A028937

Adjacent sequences: A093536 A093537 A093538 * A093540 A093541 A093542

nonn

Jason Earls, May 14 2004

approved