A101419 Decimal expansion of d - log(d-e) where d is Feigenbaum's bifurcation velocity constant (A006890, delta constant) and e is Euler's constant.

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

Offset

1,1

Comments

From Plouffe's Inverter: log(s)^2 * a^2 * sin(1)^1 = 4.000900694855076... where s is Sierpinski's constant (A062089) and a is Feigenbaum's reduction parameter (A006891, alpha constant). 20 + Pi - exp(Pi) = .00090002081...

Links

Table of n, a(n) for n=1..105.

Example

4.00090066535299100480962602422024957759530322082790880094053997689...

Crossrefs

Cf. A006890, A006891, A001113, A062089.

Sequence in context: A286875 A105570 A327054 * A060278 A046770 A046782

Adjacent sequences: A101416 A101417 A101418 * A101420 A101421 A101422

Keyword

cons,nonn

Author

Gerald McGarvey, Jan 16 2005

Status

approved