pangolin is a formula:
pangolin(x) =
if pangolin is used multiple times in one equation, it is equivalent to pangolin(y) where y is equal to each previously recited x multiplied by each other
for example:
pangolin(1) = 2392031250
pangolin(2) = 15728001190723584 (2 multiplied by 1 is 2 so in this case pangolin(2) is pangolin(2))
pangolin(3) = 79654273022752657268734013065399553751082787143680000000 (this time 3 is multiplied by 2 and 1 so we use what would have normally been pangolin(6))