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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A025136 a(n) = 2nd elementary symmetric function of C(n,0), C(n,1), ..., C(n,[ n/2 ]). 0
2, 3, 34, 65, 551, 1190, 8842, 20613, 141457, 347930, 2260567, 5788458, 36110426, 95438348, 576758282, 1564082093, 9212023037, 25523422418, 147143150689, 415191345278, 2350493291126, 6737735340308, 37550466036439 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,1

LINKS

Table of n, a(n) for n=2..24.

CROSSREFS

Sequence in context: A032816 A073657 A228114 * A195030 A092981 A042167

Adjacent sequences:  A025133 A025134 A025135 * A025137 A025138 A025139

KEYWORD

nonn

AUTHOR

Clark Kimberling

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 March 21 20:21 EDT 2019. Contains 321382 sequences. (Running on oeis4.)