177884domain: NAppears in sequencesSeries for first parallel moment of square lattice.at n=18A006732a(1) = 1; a(n+1) = floor(sqrt(Sum_{k=1..n} a(k)^2)).at n=38A067859Number of unordered pairs {p,q} of partitions of n into distinct parts such that p and q are incomparable in the dominance order.at n=41A265508