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 A288839 Triangle read by rows: coefficients of the chromatic polynomial of the n-Hanoi graph. 8
 0, 2, -3, 1, 0, 40, -180, 370, -455, 363, -190, 63, -12, 1, 0, 608000, -6960000, 40524800, -158999200, 468979200, -1099617480, 2117585600, -3419826630, 4697231261, -5541107684, 5652058863, -5007519752, 3863562996, -2598606825, 1522861581, -776022242, 342624075, -130362394, 42424338, -11689056, 2689452, -507084, 76293, -8806, 732, -39, 1 (list; graph; refs; listen; history; text; internal format)
 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). Sequence in context: A265604 A171996 A175669 * A286583 A321931 A321934 Adjacent sequences:  A288836 A288837 A288838 * A288840 A288841 A288842 KEYWORD sign,tabf AUTHOR Eric W. Weisstein, Jun 17 2017 STATUS approved

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Last modified May 18 05:01 EDT 2021. Contains 343994 sequences. (Running on oeis4.)