Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A072223
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A072223 Decimal expansion of unimodal analogue of golden section with respect to A072176: a=lim A072176(n)/A072176(n+1). +0
2
5, 2, 4, 8, 8, 8, 5, 9, 8, 6, 5, 6, 4, 0, 4, 7, 9, 3, 8, 9, 9, 4, 8, 6, 1, 3, 8, 5, 4, 1, 2, 8, 3, 9, 1, 5, 6, 9, 0, 3, 4, 2, 9, 4, 7, 7, 3, 9, 3, 4, 2, 1, 5, 9, 6, 5, 3, 1, 4, 2, 1, 6, 4, 2, 1, 1, 8, 5, 8, 0, 6, 8, 6, 5, 8, 4, 4, 4, 4, 1, 7, 2, 6, 2, 5, 4, 9, 2, 1, 0, 9, 1, 7, 6, 1, 3, 1, 1, 2 (list; cons; graph; listen)
OFFSET

0,1

COMMENT

This is the smallest real root of (1-x^2)^2=x.

EXAMPLE

a=0.52488859865640479389948613854...

MATHEMATICA

RealDigits[ x /. FindRoot[ (1-x^2)^2==x, {x, 0.5}, WorkingPrecision->100 ], 10 ][ [ 1 ] ]

CROSSREFS

Cf. A072176, A072224.

Sequence in context: A006666 A029683 A063567 this_sequence A124907 A020800 A088507

Adjacent sequences: A072220 A072221 A072222 this_sequence A072224 A072225 A072226

KEYWORD

nonn,easy,cons

AUTHOR

Michele Dondi (bik.mido(AT)tiscalinet.it), Jul 04, 2002

page 1

Search completed in 0.002 seconds

Lookup | Welcome | Find friends | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
More pages | Superseeker | Maintained by N. J. A. Sloane (njas@research.att.com)

Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.


AT&T Labs Research