5018051domain: NAppears in sequencesNumber of squarefree words of length n in a 5-ary alphabet, with new values 0..4 introduced in increasing order.at n=14A215071Number of nX7 0..1 arrays with every element equal to 1, 2, 4 or 7 king-move adjacent elements, with upper left element zero.at n=30A298092