36138domain: NAppears in sequencesa(n) = Sum_{i,j,k in Z and i^2 + j^2 + k^2 <= n} i^2 + j^2 + k^2.at n=45A014203a(n) = 100*n^2 + 2*n.at n=18A158127a(n) = 1444*n^2 + 38.at n=5A158766a(n) = 25*n^2 + n.at n=37A173089Number of partitions of n such that the (sum of distinct odd parts) > n/2.at n=49A284614