login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A027015 a(n) = A027011(2n, n+4). 0
1, 12, 343, 3864, 26990, 140455, 599801, 2228414, 7486615, 23370193, 69141497, 196766283, 544680787, 1478898009, 3962865228, 10526310127, 27802386717, 73170829088, 192150938490, 503938185601, 1320621962194, 3459303317894, 9059231670566, 23721098636714 (list; graph; refs; listen; history; text; internal format)
OFFSET
4,2
LINKS
CROSSREFS
Sequence in context: A218820 A231520 A305108 * A024297 A077296 A080481
KEYWORD
nonn
AUTHOR
EXTENSIONS
More terms from Sean A. Irvine, Oct 21 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 | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 20 10:09 EDT 2024. Contains 371812 sequences. (Running on oeis4.)