196225domain: NAppears in sequencesNumber of strings of numbers x(i=1..7) in 0..n with sum i^3*x(i)^2 equal to 343*n^2.at n=36A184308n^2 concatenated with (n+1)^2.at n=14A246973Expansion of Product_{k>=1} ((1 + x^(4*k)) / (1 - x^k)).at n=45A285472