pseudorandom

näennäissatunnainen Of a sequence of numbers, such that it has all the properties of a random sequence following some probability distribution (except true randomness), but is actually generated using a deterministic algorithm.
1941, Isabel Fonseca, Memoirs, Society for American Archaeology, Issues 25-30, Society for American Archaeology 1941, p. 31:

Simple random samples were chosen from an ordered list with the aid of a Pseudo Random Digit Generator affiliated with the Computer Data Corporation Fortran Compiler.