OFFSET
0,1
COMMENTS
FORMULA
a(n) = coefficient of x^10 in the polynomial 1 - T_(n+5)(x)^2, where T_n(x) is the n-th Chebyshev polynomial of the first kind.
G.f.: 256*(x-1)/(x+1)^11.
a(n) = (-1)^(n+1)*256*A054334(n).
PROG
(Magma) [ Binomial(n+9, 9)*(n+5)*(-1)^(n+1)*256/5: n in [0..22] ];
(Magma) k:=5; [ Coefficients(1-ChebyshevT(n+k)^2)[2*k+1]: n in [0..22] ];
(PARI) for(n=0, 22, print1(polcoeff(taylor(256*(x-1)/(x+1)^11, x), n), ", "));
CROSSREFS
KEYWORD
sign
AUTHOR
Klaus Brockhaus, Mar 15 2008
STATUS
approved