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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

Table of n, a(n) for n=1..29.

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

Adjacent sequences:  A275568 A275569 A275570 * A275572 A275573 A275574

KEYWORD

dead

AUTHOR

He Wenyang, Aug 02 2016

STATUS

approved

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Last modified October 28 10:23 EDT 2020. Contains 338054 sequences. (Running on oeis4.)