1043641domain: NAppears in sequencesDefine the sequence T(a_0,a_1) by a_{n+2} is the greatest integer such that a_{n+2}/a_{n+1}<a_{n+1}/a_n for n >= 0. This is T(8,57).at n=6A022038The number of exponential abundant numbers below 10^n.at n=8A307821