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

 

Logo

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 56th year, we are closing in on 350,000 sequences, and we’ve crossed 9,700 citations (which often say “discovered thanks to the OEIS”).

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A027332 a(n) = Sum_{k=0..n-1} T(n,k) * T(n,k+3), with T given by A026148. 0
20, 176, 1512, 12870, 109164, 924748, 7834168, 66418402, 563744942, 4791449750, 40783720460, 347663922060, 2968147161398, 25377794552506, 217294268925008, 1863151839105740, 15996740130657296, 137522838096075630, 1183736303278008264, 10201145791863572028 (list; graph; refs; listen; history; text; internal format)
OFFSET

3,1

LINKS

Table of n, a(n) for n=3..22.

CROSSREFS

Sequence in context: A163689 A342387 A140044 * A159538 A091983 A037250

Adjacent sequences:  A027329 A027330 A027331 * A027333 A027334 A027335

KEYWORD

nonn

AUTHOR

Clark Kimberling

EXTENSIONS

More terms from Sean A. Irvine, Oct 27 2019

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 November 30 02:18 EST 2021. Contains 349416 sequences. (Running on oeis4.)