6615000domain: NAppears in sequencesFib(n)*n^3*(binomial(2*n, n))^2/(n+1).at n=5A119696Power and multiply: distinct numbers a^b * c^d * e^f * g^h * i^j where a..j are permutations of 0..9.at n=1A266914Number of ways n people in a line can each choose two others both on the same side of them.at n=7A323425