14250625domain: NAppears in sequencesNumber of n X 6 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 1 and 1 0 1 vertically.at n=26A207597Squares of the form P(n, 5) + n, where P(x,k) is the Pochhammer function and n = square (A000290).at n=4A272775