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 A039961 Triangle of coefficients in a Fibonacci-like sequence of polynomials. 1
 1, 1, 1, -1, 1, -1, -1, 1, -1, -2, 1, 1, -1, -3, 2, 1, 1, -1, -4, 3, 3, -1, 1, -1, -5, 4, 6, -3, -1, 1, -1, -6, 5, 10, -6, -4, 1, 1, -1, -7, 6, 15, -10, -10, 4, 1, 1, -1, -8, 7, 21, -15, -20, 10, 5, -1, 1, -1, -9, 8, 28, -21, -35, 20, 15, -5, -1, 1, -1, -10 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,10 COMMENTS Essentially the same as A108299. - Philippe Deléham, Feb 27 2014 REFERENCES A. F. Horadam, R. P. Loh and A. G. Shannon, Divisibility properties of some Fibonacci-type sequences, pp. 55-64 of Combinatorial Mathematics VI (Armidale 1978), Lect. Notes Math. 748, 1979. LINKS FORMULA q_{n+2}(x)=x*q_{n+1)(x)-q_n(x), q_1(x)=q_2(x)=1. EXAMPLE 1; 1; 1 -1; 1 -1 -1; 1 -1 -2 1; 1 -1 -3 2 1; ... CROSSREFS Cf. A065941, A108299. Sequence in context: A086290 A136568 A152157 * A065941 A108299 A123320 Adjacent sequences:  A039958 A039959 A039960 * A039962 A039963 A039964 KEYWORD sign,tabf AUTHOR EXTENSIONS More terms from Philippe Deléham, Feb 27 2014 STATUS approved

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Last modified January 18 01:36 EST 2019. Contains 319260 sequences. (Running on oeis4.)