Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A032033
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
%I A032033
%S A032033 1,3,21,219,3045,52923,1103781,26857659,746870565,23365498683,
%T A032033 812198635941,31055758599099,1295419975298085,58538439796931643,
%U A032033 2848763394161128101,148537065755389540539,8261178848690959117605
%N A032033 Stirling transform of A032031.
%C A032033 Also "AIJ" (ordered, indistinct, labeled) transform of 3,3,3,3...
%C A032033 Generalized ordered Bell numbers Bo(3,n). [From Philippe DELEHAM (kolotoko(AT)wanadoo.fr), 
               Nov 03 2008]
%H A032033 C. G. Bower, <a href="transforms2.html">Transforms (2)</a>
%H A032033 P. Blasiak, K. A. Penson and A. I. Solomon, <a href="http://arXiv.org/
               abs/quant-ph/0303030">Dobinski-type relations and the log-normal 
               distribution</a>.
%F A032033 E.g.f.: 1/(4-3*e^x).
%F A032033 a(n)=sum(stirling2(n, k)*(3^k)*k!, k=0..n).
%F A032033 a(n)=sum(k^n*(3/4)^k, k=0..infinity)/4. - Karol A. Penson (penson(AT)lptl.jussieu.fr), 
               Jan 25 2002
%F A032033 a(n)=Sum_{k, 0<=k<=n} A131689(n,k)*3^k. [From Philippe DELEHAM (kolotoko(AT)wanadoo.fr), 
               Nov 03 2008]
%Y A032033 Cf. A032031.
%Y A032033 Third row of array A094416 (generalized ordered Bell numbers).
%Y A032033 Equals 3 * A050352(n) for n>0.
%Y A032033 Sequence in context: A120972 A158838 A107716 this_sequence A099121 A107864 
               A113663
%Y A032033 Adjacent sequences: A032030 A032031 A032032 this_sequence A032034 A032035 
               A032036
%K A032033 nonn,easy
%O A032033 0,2
%A A032033 Christian G. Bower (bowerc(AT)usa.net)

    
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 December 5 23:38 EST 2009. Contains 170428 sequences.


AT&T Labs Research