The number of integers in the set f^n({0}), where f is a variant of the Collatz function that replaces any element x in the argument set with both x/2 and 3*x+1.

A362757

The number of integers in the set f^n({0}), where f is a variant of the Collatz function that replaces any element x in the argument set with both x/2 and 3*x+1.