login
This site is supported by donations to The OEIS Foundation.

 

Logo

Annual Appeal: Today, Nov 11 2014, is the 4th anniversary of the launch of the new OEIS web site. 70,000 sequences have been added in these four years, all edited by volunteers. Please make a donation (tax deductible in the US) to help keep the OEIS running.

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A111969 Decimal expansion of the area of Graham's biggest little hexagon. 2
6, 7, 4, 9, 8, 1, 4, 4, 2, 9, 3, 0, 1, 0, 4, 7, 0, 3, 6, 8, 8, 4, 9, 5, 8, 3, 1, 8, 5, 1, 4, 0, 0, 2, 8, 8, 9, 8, 0, 2, 9, 7, 7, 3, 2, 2, 7, 8, 0, 2, 6, 6, 1, 0, 7, 2, 2, 7, 9, 3, 8, 7, 9, 2, 4, 4, 6, 4, 9, 8, 1, 1, 1, 3, 1, 3, 2, 4, 1, 3, 4, 0, 5, 2, 6, 3, 9, 3, 7, 8, 2, 5, 5, 5, 1, 3, 3, 7, 7, 1, 0, 5 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..101.

Eric Weisstein's World of Mathematics, Graham's Biggest Little Hexagon

FORMULA

Root[11993 - 78488*#1 + 144464*#1^2 + 1232*#1^3 - 221360*#1^4 + 146496*#1^5 + 21056*#1^6 - 30848*#1^7 - 3008*#1^8 + 8192*#1^9 + 4096*#1^10 &, 5, 0]

EXAMPLE

0.674981442...

CROSSREFS

Cf. A111970, A111971.

Sequence in context: A019616 A073177 A230848 * A021601 A100124 A190648

Adjacent sequences:  A111966 A111967 A111968 * A111970 A111971 A111972

KEYWORD

nonn,cons

AUTHOR

Eric W. Weisstein, Aug 23, 2005

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Superseeker | Recent | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified November 29 03:09 EST 2014. Contains 250479 sequences.