Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A093158
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A093158 Reduced numerators of the raw moments of the distribution of areas for triangles picked at random in a unit square. +0
2
1, 11, 1, 137, 1, 363, 761, 7129, 61, 83711, 509, 1145993, 1171733, 1195757, 8431, 42142223, 39541, 275295799, 11167027, 18858053, 36093, 444316699, 269564591, 34052522467, 34395742267, 312536252003, 375035183, 9227046511387 (list; graph; listen)
OFFSET

0,2

LINKS

Eric Weisstein's World of Mathematics, Square Triangle Picking

FORMULA

(3*2^(3 - n)*(1 + (2 + n)*HarmonicNumber[1 + n]))/((1 + n)*(2 + n)^3*(3 + n)^2)

EXAMPLE

1, 11/144, 1/96, 137/72000, 1/2400, 363/3512320, ...

CROSSREFS

Cf. A093159.

Sequence in context: A120449 A101623 A038315 this_sequence A132098 A160480 A045998

Adjacent sequences: A093155 A093156 A093157 this_sequence A093159 A093160 A093161

KEYWORD

nonn,frac

AUTHOR

Eric Weisstein (eric(AT)weisstein.com), Mar 26, 2004; Jan 27 2005

EXTENSIONS

Comments from Alexander Adamchuk dated Jun 07 2006 were withdrawn Jun 07 2008

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 November 23 17:09 EST 2009. Contains 167438 sequences.


AT&T Labs Research