A094078 - OEIS

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

(list; constant; graph; refs; listen; history; text; internal format)

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 *)