A094078 Decimal expansion of Pi + arctan(e^Pi).

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

Offset

1,1

Comments

This is an approximation to the Feigenbaum constant.

Links

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

Eric Weisstein's World of Mathematics, Feigenbaum constant.

Example

4.669201931859907731558852626...

Mathematica

RealDigits[Pi + ArcTan[E^Pi], 10, 120][[1]] (* Robert G. Wilson v, May 04 2004 *)

Crossrefs

Cf. A006890, A039661.

Sequence in context: A028327 A006890 A104123 * A016122 A247677 A306811

Adjacent sequences: A094075 A094076 A094077 * A094079 A094080 A094081

Keyword

nonn,cons

Author

Jun Mizuki (suzuki32(AT)sanken.osaka-u.ac.jp), Apr 30 2004

Extensions

More terms from Klaus Brockhaus and Robert G. Wilson v, May 03 2004

Status

approved