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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A034271 a(n)=f(n,n+4) where f is given in A034261. 0
0, 1, 15, 125, 814, 4641, 24388, 121380, 581400, 2707386, 12339569, 55304535, 244567050, 1069784625, 4637437560, 19951650840, 85290143760, 362608278750, 1534330716750, 6465583372794, 27147098904156, 113618646478106, 474177584413720 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..22.

CROSSREFS

Sequence in context: A181377 A264046 A027839 * A171220 A071080 A193365

Adjacent sequences:  A034268 A034269 A034270 * A034272 A034273 A034274

KEYWORD

nonn

AUTHOR

Clark Kimberling

EXTENSIONS

Corrected and extended Apr 21 2000 - 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 | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified June 26 10:12 EDT 2019. Contains 324375 sequences. (Running on oeis4.)