6059221281domain: NAppears in sequencesa(n) = (11*n + 4)^4.at n=25A017440e-numbers of free pure symmetric multifunctions with one atom.at n=27A318149Square array T(n,k), n >= 1, k >= 1, read by antidiagonals, where T(n,k) = Product_{a=1..n-1} Product_{b=1..k} (4*sin(a*Pi/n)^2 + 4*sin((2*b-1)*Pi/(2*k))^2).at n=32A341739