198027

Appears in sequences

• Number of partitions of (3, n) into a sum of distinct pairs.at n=43A268346
• G.f. A(x) satisfies A(x) = 1 / ((1 - x) * (1 - 2 * x * (1 + x + x^2 + x^3) * A(x^4))).at n=11A390658