login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A025997 Expansion of 1/((1-2x)(1-5x)(1-8x)(1-9x)). 0
1, 24, 375, 4850, 56481, 616164, 6434155, 65146950, 644889861, 6275802104, 60272841135, 572861926650, 5399415089641, 50546032304844, 470534835243315, 4359828735795950, 40238834684119821, 370153792218396384 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..17.

FORMULA

a(n) = -4*2^n/63 +125*5^n/36 -256*8^n/9 +729*9^n/28. R. J. Mathar, Jun 20 2013

CROSSREFS

Sequence in context: A026326 A028043 A028056 * A028040 A025994 A004335

Adjacent sequences:  A025994 A025995 A025996 * A025998 A025999 A026000

KEYWORD

nonn

AUTHOR

N. J. A. Sloane.

STATUS

approved

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 26 04:43 EDT 2022. Contains 354074 sequences. (Running on oeis4.)