78076domain: NAppears in sequencesa(n) = 5^n - n^2.at n=7A024051Monotonic ordering of nonnegative differences 5^i-7^j, for 40>= i>=0, j>=0.at n=24A192195Number of (3+1)X(n+1) arrays of permutations of 0..n*4+3 with each element having directed index change -1,0 0,2 -1,-2 or 1,0.at n=9A264521