244293

Appears in sequences

• Expansion of Product_{k>=1} 1 / ((1-x^(3*k-1))^(3*k-1) * (1-x^(3*k-2))^(3*k-2)).at n=27A262923
• a(n) = Sum_{k=0..floor(n/3)} binomial(n+k-1,k) * binomial(n-k-1,n-3*k).at n=14A389375