OFFSET
1,2
COMMENTS
Equal to A193233 with ordering of row elements reversed.
LINKS
Eric Weisstein's World of Mathematics, Chromatic Polynomial
Eric Weisstein's World of Mathematics, Hanoi Graph
EXAMPLE
Polynomials:
(x-2)*(x-1)*x
(x-2)^3*(x-1)*x*(5-10*x+10*x^2-5*x^3+x^4)
(x-2)^6*(x-1)*x*(-9500+70750*x+...+x^19)
Coefficients:
0, 2, -3, 1;
0, 40, -180, 370, -455, 363, -190, 63, -12, 1;
0, 608000, -6960000, 40524800, -158999200, ..., -39, 1;
CROSSREFS
Cf. A193233 (chromatic polynomial with highest coefficients first).
Cf. A137889 (directed Hamiltonian paths in the n-Hanoi graph).
Cf. A288490 (independent vertex sets in the n-Hanoi graph).
Cf. A286017 (matchings in the n-Hanoi graph).
Cf. A193136 (spanning trees of the n-Hanoi graph).
Cf. A288796 (undirected paths in the n-Hanoi graph).
KEYWORD
sign,tabf
AUTHOR
Eric W. Weisstein, Jun 17 2017
STATUS
approved