login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A070859 Expansion of (1+x*C^4)*C, where C = (1-(1-4*x)^(1/2))/(2*x) is g.f. for Catalan numbers, A000108. 0
1, 2, 7, 25, 89, 317, 1133, 4069, 14690, 53312, 194446, 712538, 2622437, 9690475, 35941065, 133756845, 499349550, 1869614340, 7018807650, 26415146190, 99642310170, 376674137034, 1426776136770, 5414477628770, 20583342248324 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..24.

CROSSREFS

Sequence in context: A030017 A131430 A007484 * A048576 A018907 A052936

Adjacent sequences:  A070856 A070857 A070858 * A070860 A070861 A070862

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Jun 06 2002

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified October 14 14:22 EDT 2019. Contains 328017 sequences. (Running on oeis4.)