42304domain: NAppears in sequencess(1)t(n) + s(2)t(n-1) + ... + s(k)t(n-k+1), where k = [ n/2 ], s = (F(2), F(3), F(4), ...), t = A001950 (upper Wythoff sequence).at n=25A025108Number of 0..n arrays x(0..10) of 11 elements with zero 6th differences.at n=36A200447