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Graham's number G is defined in this way:
u(3,n,1) = 3^n
u(3,1,m) = 3
u(3,n,m) = u(3,u(3,n-1,m-1),m-1)
[Knuth's up-arrow notation]
[Conway chained arrow notation]
THEN
g1 = u(3,3,4)
g2 = u(3,3,g1)
g3 = u(3,3,g2)
...
G = u(3,3,g63)
Your task is to write a program/function that will output the...