GAP 4.8.9 installation with standard packages -- copy to your CoCalc project to get it
1 2 3 [1XReferences[101X 4 5 [[20XWir98[120X] [16XWirsching, G. J.[116X, [17XThe dynamical system generated by the 3n+1 6 function[117X, Springer-Verlag, Lecture Notes in Mathematics, [19X1681[119X, Berlin 7 (1998), viii+158 pages. 8 9 10 11 [32X 12 13
