User blog comment:Pteriforever/Pteriforever's W-function/@comment-5029411-20141028113337

W(1,1) = W(W(1)) = W(2) = 4

W(1,2) = W(W(2)) = W(4) = 16

W(1,3) = W(W(3)) = W(8) = 256

W(1,4) = W(W(4)) = W(16) = 65536

W(2,2) = W(1,W(1,2)) = W(1,W(4)) = W(1,16) = W(W(16)) = W(65536) = 265536

W(2,3) = W(1,W(1,3)) = W(1,W(8)) = W(1,256) = W(W(256)) = W(2256) = 22 256