A143297 Decimal expansion of the Flajolet-Odlyzko constant.

7, 5, 7, 8, 2, 3, 0, 1, 1, 2, 6, 8, 4, 9, 2, 8, 3, 7, 7, 4, 2, 1, 7, 5, 6, 8, 3, 9, 8, 0, 0, 9, 9, 7, 8, 2, 5, 2, 3, 6, 5, 8, 5, 8, 5, 6, 4, 6, 0, 8, 0, 1, 9, 7, 0, 2, 7, 0, 9, 5, 5, 5, 8, 6, 5, 4, 2, 4, 1, 4, 3, 9, 0, 0, 4, 6, 6, 0, 6, 9, 0, 0, 6, 6, 8, 6, 8, 9, 4, 3, 4, 6, 2, 3, 8, 8, 6, 0, 6, 1, 3, 2, 1, 7, 0

Offset

0,1

Comments

Named by Finch (2003) after the French computer scientist Philippe Flajolet (1948-2011) and the Polish-American mathematician Andrew Michael Odlyzko (b. 1949). - Amiram Eldar, Jun 16 2021

References

Steven R. Finch, Mathematical Constants, Cambridge University Press, 2003, section 7.1, pp. 285-290.

Links

Table of n, a(n) for n=0..104.

Philippe Flajolet and Andrew M. Odlyzko, Random mapping statistics, in: J. J. Quisquater and J. Vandewalle (eds.), Advances in Cryptology - EUROCRYPT '89, Springer, Berlin, Heidelberg, 1990.

Eric Weisstein's World of Mathematics, Flajolet-Odlyzko Constant.

Example

0.75782301126849283774...

Mathematica

RealDigits[ 2*NIntegrate[1 - E^(ExpIntegralEi[-t]/2), {t, 0, Infinity}, WorkingPrecision -> 110]][[1]][[1 ;; 105]]
(* Jean-François Alcover, Jun 16 2011, after Eric W. Weisstein *)

Crossrefs

Sequence in context: A214444 A194657 A230163 * A195348 A072449 A263770

Adjacent sequences: A143294 A143295 A143296 * A143298 A143299 A143300

Keyword

nonn,cons

Author

Eric W. Weisstein, Aug 05 2008

Status

approved