36537domain: NAppears in sequencesNumber of ordered 5-tuples of integers from [ 2,n ] with no common factors among quadruples.at n=20A015655Partial sums of A299266.at n=36A299267Number of nX4 0..1 arrays with every element unequal to 1, 2, 3 or 6 king-move adjacent elements, with upper left element zero.at n=13A304145