9822847079

Appears in sequences

• Expansion of 1/((1-x) * (1-2*x) * (1-3*x) * (1-4*x))^2.at n=12A383842
• a(n) = [x^(3*n)] Product_{k=0..n} 1/(1 - k*x)^2.at n=4A384206