97714domain: NAppears in sequencesNumber of strings of numbers x(i=1..n) in 0..7 with sum i^2*x(i)^2 equal to n^2*49.at n=9A184238Number of (n+1) X 4 binary arrays with consecutive windows of two bits considered as a binary number nondecreasing in every row and column.at n=28A202330