Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A025755
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A025755 10th order Patalan numbers (generalization of Catalan numbers). +0
2
1, 1, 45, 2850, 206625, 16116750, 1316201250, 110936962500, 9568313015625, 839885253593750, 74749787569843750, 6727480881285937500, 611079513383472656250, 55937278532794804687500 (list; graph; listen)
OFFSET

0,3

LINKS

W. Lang, On generalizations of Stirling number triangles, J. Integer Seqs., Vol. 3 (2000), #00.2.4.

FORMULA

G.f.: (11-(1-100*x)^(1/10))/10.

a(n) = 10^(n-1)*9*A035278(n-1)/n!, n >= 2, 9*A035278(n-1)= (10*n-11)(!^10) := product(10*j-11, j=2..n) - Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de)

CROSSREFS

Sequence in context: A109941 A035097 A130017 this_sequence A113630 A004707 A036521

Adjacent sequences: A025752 A025753 A025754 this_sequence A025756 A025757 A025758

KEYWORD

nonn

AUTHOR

Olivier Gerard (ogerard(AT)ext.jussieu.fr)

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 August 19 23:53 EDT 2008. Contains 142930 sequences.


AT&T Labs Research