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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A145618 Denominator of the polynomial A_l(x) = sum_{d=1..l-1} x^(l-d)/d for index l=2n+1 evaluated at x=5. 1
2, 12, 12, 168, 504, 5544, 72072, 144144, 2450448, 46558512, 4232592, 97349616, 97349616, 41721264, 1209916656, 75014832672, 825163159392, 5776142115744, 213717258282528, 213717258282528, 1251772512797664, 53826218050299552 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

For numerators see A145617. For general properties of A_l(x) see A145609.

LINKS

Table of n, a(n) for n=1..22.

CROSSREFS

Cf. A145609 - A145640.

Sequence in context: A198532 A198477 A075178 * A306693 A169900 A140355

Adjacent sequences:  A145615 A145616 A145617 * A145619 A145620 A145621

KEYWORD

frac,nonn

AUTHOR

Artur Jasinski, Oct 14 2008

EXTENSIONS

Edited by R. J. Mathar, Aug 21 2009

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 20 07:33 EDT 2019. Contains 328252 sequences. (Running on oeis4.)