OFFSET
1,3
FORMULA
E.g.f.: log((x-1)^2*(x+1))/(x^2-x-1).
a(n) = n!*Sum_{i=1..n} (F(i)/(n-i+1))*(2*(-1)^(i+1)+(-1)^n), F(n) - Fibonacci numbers.
PROG
(Maxima)
a(n):=n!*sum(1/(n-m)/(binomial(n-m-1, m)), m, 0, floor((n-1)/2));
a(n):=n!*sum((fib(i))/(n-i+1)*(2*(-1)^(i+1)+(-1)^(n)), i, 1, n);
CROSSREFS
KEYWORD
nonn
AUTHOR
Vladimir Kruchinin, Nov 19 2022
STATUS
approved