%I

%S 1,26,13,326,163,4076,2038,1019,25476,12738,6369,159226,79613,1990326,

%T 995163,24879076,12439538,6219769,155494226,77747113,1943677826,

%U 971838913,24295972826,12147986413

%N Trajectory of 1 under map n->25n+1 if n odd, n->n/2 if n even

%K nonn

%O 0,2

%A _N. J. A. Sloane_.