299530

Appears in sequences

• Convolution of A000108 (Catalan numbers) with A045543.at n=5A045622
• a(n) = K_5(n) = Sum_{k>=0} A090285(5,k)*2^k*binomial(n,k). a(n) = 2*(2*n^5+45*n^4+360*n^3+1215*n^2+1528*n+315)/15.at n=12A090297