Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A162482
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A162482 Expansion of (1/(1-x)^3)*M(x/(1-x)^3), M(x) the g.f. of Motzkin numbers A001006. +0
2
1, 4, 14, 53, 218, 945, 4235, 19441, 90947, 432030, 2078416, 10105435, 49578341, 245131321, 1220218293, 6110131376, 30756858405, 155547919269, 789965192900, 4027121386190, 20600180351659, 105707046807196, 543973305719611 (list; graph; listen)
OFFSET

0,2

FORMULA

G.f.: 1/((1-x)^3-x-x^2/((1-x)^3-x-x^2/((1-x)^3-x-x^2/((1-x)^3-x-x^2/(1-... (continued fraction);

a(n)=sum{k=0..n, C(n+2k+2,n-k)*A001006}.

CROSSREFS

Cf. A162481.

Sequence in context: A047118 A017948 A112872 this_sequence A000651 A118896 A145211

Adjacent sequences: A162479 A162480 A162481 this_sequence A162483 A162484 A162485

KEYWORD

nonn

AUTHOR

Paul Barry (pbarry(AT)wit.ie), Jul 04 2009

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 22 20:51 EST 2009. Contains 167312 sequences.


AT&T Labs Research