62786domain: NAppears in sequencesa(n) = 49*n^2 - 20*n + 2.at n=35A157373Number of strings of numbers x(i=1..7) in 0..n with sum i^2*x(i)^2 equal to n^2*49.at n=18A184245a(n) = ceiling((n+1/n)^5).at n=8A197904