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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A038744 T(2n,n), array T as in A038738. 0
1, 5, 30, 188, 1201, 7756, 50439, 329625, 2161974, 14220038, 93740152, 619083041, 4094863900, 27120465023, 179822255181 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..14.

FORMULA

G.f.: (g-1)/((3*g-1)*(g^2-3*g+1)) where g*(1-g)^2 = x. - Mark van Hoeij, Nov 10 2011

CROSSREFS

Sequence in context: A161407 A006773 A059273 * A098663 A265085 A158828

Adjacent sequences:  A038741 A038742 A038743 * A038745 A038746 A038747

KEYWORD

nonn

AUTHOR

Clark Kimberling, May 02 2000

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 September 21 21:57 EDT 2019. Contains 327282 sequences. (Running on oeis4.)