1/2*x^2 - 1/2*x
20
[1, 6, 15, 20, 15, 6, 1]
  ***   at top-level: binomial(1,2.)
  ***                 ^--------------
  *** binomial: incorrect type in binomial (t_REAL).
  ***   at top-level: binomial(-1)
  ***                 ^------------
  *** binomial: incorrect type in binomial (t_INT).
  ***   at top-level: binomial(1.)
  ***                 ^------------
  *** binomial: incorrect type in binomial (t_REAL).
Total time spent: 0
