OFFSET
3,1
FORMULA
a(n) = 2^(3*n^2-1) * A212800(n). - Sean A. Irvine, Oct 25 2023
EXAMPLE
NumberOfSpanningTrees(L(C_3 x C_3)) = 782757789696
MATHEMATICA
NumberOfSpanningTrees[LineGraph[GraphProduct[Cycle[n], Cycle[n]]]] (* First load package DiscreteMath`Combinatorica` *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Roberto E. Martinez II, Jan 07 2002
EXTENSIONS
Edited by Dean Hickerson, Jan 14 2002
a(7) from Sean A. Irvine, Oct 25 2023
STATUS
approved