The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
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!)
A275571 Incorrect duplicate of A004146. 0
1, 5, 8, 45, 121, 320, 841, 2205, 5776, 15125, 39601, 103680, 271441, 710645, 1860496, 4870845, 12752041, 33385280, 87403801, 228826125, 599074576, 1568397605, 4106118241, 10749957120, 28143753121, 73681302245, 192900153616, 505019158605, 1322157322201 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
a(3) should be 16, not 8.
Previous name was: Number of spanning trees in the wheel graph G consisting of an n-cycle with a central vertex connected to each vertex of the cycle.
LINKS
FORMULA
a(n) = Sum_{i=1..n-1} ( Fibonacci(2n-2i)*i^2 ) + n^2.
CROSSREFS
Sequence in context: A126750 A256401 A109292 * A192379 A117474 A294665
KEYWORD
dead
AUTHOR
He Wenyang, Aug 02 2016
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 May 25 15:58 EDT 2024. Contains 372800 sequences. (Running on oeis4.)