Pick a two-digit number — ahem — at random. OK, so you still have to pick a starting number. To get the next number, take the top digit, add six, and then multiply by the bottom digit.

ABSTRACT. A study on the randomness of the digits of π . Shu-Ju Tu and Ephraim Fischbach We apply a newly developed computational method, Geometric Random Inner Products (GRIP), to quantify the ...