A242406 The Rendezvous Constant.

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

Offset

1,1

Comments

There is almost a root at ~0.34746, but the graph stays negative.

References

Steven R. Finch, Mathematical Constants, Volume 94, Encyclopedia of Mathematics and Its Applications, Cambridge University Press, 2003, Section 8.21, p. 539.

Links

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

Formula

The real root of 2x^5 - 4x^4 - 5x^2 + 4x - 1.

Example

2.3212850380324316571924935547666782714181391039367173485717852190489146497817...

Mathematica

RealDigits[ Root[ 2 #1^5 - 4 #1^4 - 5 #1^2 + 4 #1 - 1 &, 1], 10, 111][[1]]

Crossrefs

Sequence in context: A120894 A134819 A135267 * A270469 A204933 A240224

Adjacent sequences: A242403 A242404 A242405 * A242407 A242408 A242409

Keyword

nonn,cons,easy

Author

Robert G. Wilson v, May 13 2014

Status

approved