Invitation: celebrating 50 years of OEIS, 250000 sequences, and Sloane's 75th, there will be a conference at DIMACS, Rutgers, Oct 9-10 2014.
Table of n, a(n) for n=1..24.
Index entries for sequences related to the number Pi
Dave Andersen, Pi-Search Page
Eric Weisstein's World of Mathematics, Pi Digits.
Cf. A083644 (five 9's), A083646 (seven 9's).
Sequence in context: A083644 A061225 A210081 * A145718 A049516 A049517
Adjacent sequences: A083642 A083643 A083644 * A083646 A083647 A083648
Rick L. Shepherd, May 06 2003