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

Author

Eric W. Weisstein, Aug 05 2008

Keywords

• nonn
• cons

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

Examples

			0.75782301126849283774...
		

References

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

Links

• 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.

Programs

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 *)