login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A025188 a(n) = T(2n,n+1), where T is the array defined in A025177. 0
2, 10, 60, 343, 1968, 11319, 65351, 378690, 2201772, 12839896, 75076505, 440016174, 2584289200, 15206283135, 89625150180, 529040216175, 3127061645796, 18506252646420, 109644576096980, 650280444390382 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..20.

CROSSREFS

Sequence in context: A246480 A303361 A026161 * A114620 A173613 A004981

Adjacent sequences:  A025185 A025186 A025187 * A025189 A025190 A025191

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 October 31 05:06 EDT 2020. Contains 338098 sequences. (Running on oeis4.)