read `Cfinite.txt`: C:=[-3,106,-72,-576]: print(`The C-finite recurrence`,C, ` can be factored into the product of the following ones`): mu:=Factorize(C,[2,2]): print(mu[1][1],mu[1][2]): C:=[2,7,2,-1]: print(`The C-finite recurrence`,C, `can be factored into the product of the following ones`): mu:=Factorize(C,[2,2]): print(mu[1][1],mu[1][2]): print(`This took`, time(), `seconds . `): quit: