67108domain: NAppears in sequences5th-largest term in the n-th row of Stern's diatomic triangle A002487.at n=20A244475G.f. A(x) satisfies: A(x) = Sum_{n>=0} x^(2*n)*A(x)^n / (1 - x^(n+1)*A(x)^(n+2)).at n=8A340355Number of twice-partitions of n into partitions with weakly decreasing lengths.at n=18A358831