242242

Appears in sequences

• Kekulé numbers for certain benzenoids.at n=9A108680
• Inverse of coefficient array of orthogonal polynomials P(n,x)=(x-n)*P(n-1,x)-(2n-3)*P(n-2,x), P(0,x)=1,P(1,x)=x-1.at n=46A178125
• Number of partitions of n^2 into a square number of square parts.at n=21A344708