Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A046879
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A046879 Denominator of 1/n Sum[ 1/BinomialCoefficient[ n-1,k ], {k,0,n-1} ]. +0
4
1, 1, 1, 6, 3, 15, 30, 420, 105, 315, 315, 6930, 3465, 90090, 180180, 72072, 9009, 153153, 153153, 5819814, 14549535, 14549535, 29099070, 1338557220, 334639305, 1673196525, 1673196525, 10039179150, 10039179150, 582272390700, 1164544781400 (list; graph; listen)
OFFSET

0,4

LINKS

T. D. Noe, Table of n, a(n) for n=0..200

Eric Weisstein's World of Mathematics, Leibniz Harmonic Triangle

CROSSREFS

See A046825, the main entry for this sequence. Cf. A046878.

Sequence in context: A049784 A097917 A116570 this_sequence A067990 A050008 A019069

Adjacent sequences: A046876 A046877 A046878 this_sequence A046880 A046881 A046882

KEYWORD

nonn,frac,easy,nice

AUTHOR

njas

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 September 7 12:28 EDT 2008. Contains 143483 sequences.


AT&T Labs Research