180787domain: NAppears in sequencesSemiprimes of the form S(n) + T(n) where S(n) and T(n) are the n-th square and the n-th triangular numbers.at n=38A240914Number of n X 5 0..1 arrays with every element unequal to 1, 2, 4, 5, 6 or 8 king-move adjacent elements, with upper left element zero.at n=7A316452