Hello.
I have the following function on the set of natural.
def B(n):
if n == 1:
return 1
return n * B(n - 1) + n*(n-1)/2*C(n - 1)
def C(n):
if n == 1:
return 1
return n * B(n - 1) + n*(n-1)*C(n - 1)
for k in range(2, 6):
print C(k)
Can SymPy gives me a normal form if it exists ?
*Christophe BAL*
*Enseignant de mathématiques en Lycée **et développeur Python amateur*
*---*
*French teacher of **math** in a high school **and **amateur **Python *
*developer*
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