78861domain: NAppears in sequencesa(n) = (prime(n)^3 - prime(n^3))/2.at n=16A143680Number of n X 2 arrays of the minimum value of corresponding elements and their horizontal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..3 n X 2 array.at n=12A219708