log(t)^2 Population in generation t is asymptotic to (5 log(t)^2)/(3 log(2)^2). More specifically, for n>=2, the population in generation 960*2^n is 5n^2/3 + 60n + 1875 + (if n mod 3 = 0 then 0 else 25/3). This uses a caber tosser, a modified block pusher, and a toggleable p120 gun. Each glider from the caber tosser turns on the gun and causes the block pusher to go through one cycle (sending out a salvo and awaiting the return gliders). When the cycle is complete, the gun is turned back off. Dean Hickerson, dean@ucdmath.ucdavis.edu 4/24/92Xref: pusher

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