1,2

Table of n, a(n) for n=1..21.

log 2 = 0.693147180559945309417232121458...

For example, a(2)=9 because the 9th digit of log 2 after decimal point is 0 and this is the first occurrence of 0.

a(3)=2 because 2nd decimal digit of log 2 is 9, a(4)=22 because 22nd decimal digit of log 2 is 2 and so on.

Cf. A098266 (for e recurrence), A097614 (for Pi recurrence).

Sequence in context: A094581 A040080 A272033 * A152020 A055516 A248314

Adjacent sequences: A098286 A098287 A098288 * A098290 A098291 A098292

nonn,base

Mark Hudson (mrmarkhudson(AT)hotmail.com), Sep 02 2004

Edited by N. J. A. Sloane, Oct 15 2006

More terms from Charles R Greathouse IV, Oct 09 2006

approved