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 A118745 Triangle of coefficients of polynomials giving the n-anacci constants. 0
 -1, 2, -1, 4, -1, -1, 6, 0, -1, -1, 8, 1, 0, -1, -1, 10, 2, 1, 0, -1, -1, 12, 3, 2, 1, 0, -1, -1, 14, 4, 3, 2, 1, 0, -1, -1, 16, 5, 4, 3, 2, 1, 0, -1, -1, 18, 6, 5, 4, 3, 2, 1, 0, -1, -1, 20, 7, 6, 5, 4, 3, 2, 1, 0, -1, -1, 22, 8, 7, 6, 5, 4, 3, 2, 1, 0, -1, -1, 24, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0, -1, -1, 26, 10, 9, 8, 7, 6, 5, 4 (list; graph; refs; listen; history; text; internal format)
 OFFSET 2,2 LINKS O. Deveci, Y. Akuzum, E. Karaduman, O. Erdag, The Cyclic Groups via Bezout Matrices, Journal of Mathematics Research, Vol. 7, No. 2, 2015, pp. 34-41. Ömür Deveci, Zafer Adıgüzel, Taha Doğan, On the Generalized Fibonacci-circulant-Hurwitz numbers, Notes on Number Theory and Discrete Mathematics (2020) Vol. 26, No. 1, 179-190. Eric Weisstein's World of Mathematics, Fibonacci n-Step Number EXAMPLE -1 + 2*x, -1 + 4*x - x^2, -1 + 6*x - x^3, ... From Michael De Vlieger, Jul 31 2020: (Start) Table begins: -1,  2; -1,  4, -1; -1,  6,  0, -1; -1,  8,  1,  0, -1; -1, 10,  2,  1,  0, -1; -1, 12,  3,  2,  1,  0, -1; -1, 14,  4,  3,  2,  1,  0, -1; -1, 16,  5,  4,  3,  2,  1,  0, -1; -1, 18,  6,  5,  4,  3,  2,  1,  0, -1; -1, 20,  7,  6,  5,  4,  3,  2,  1,  0, -1; -1, 22,  8,  7,  6,  5,  4,  3,  2,  1,  0, -1; -1, 24,  9,  8,  7,  6,  5,  4,  3,  2,  1,  0, -1; ... (End) MATHEMATICA Array[Join[{-1}, {2 (# - 1)}, Range[# - 4, -1, -1]] &, 12, 2] // Flatten (* Michael De Vlieger, Jul 31 2020 *) CROSSREFS Sequence in context: A140582 A062866 A131035 * A235671 A131034 A130313 Adjacent sequences:  A118742 A118743 A118744 * A118746 A118747 A118748 KEYWORD sign,tabf,changed AUTHOR Eric W. Weisstein, Apr 28 2006 STATUS approved

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Last modified August 9 22:52 EDT 2020. Contains 336335 sequences. (Running on oeis4.)