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The doodcoldutrex is equal to \( 10\uparrow\uparrow\uparrow10\uparrow\uparrow\uparrow10\uparrow\uparrow10\) using arrow notation.[1] The term was coined by Wikia user Username5243.

• In Bird's array notation, it would be equal to \([10,[10,[10,10,2],3],3]\). (Trivially, this is \(\{10,\{10,\{10,10,2\},3\},3\}\) in BEAF.)
• In the FGH, this is very roughly \(f_4^2(f_3(10))\)