105102

Appears in sequences

• Convolution of A000108 (Catalan numbers) with A020920.at n=5A045492
• Triangle related to A001700 and A000302 (powers of 4).at n=49A046658
• 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=9A090297
• a(n) = ceiling((n+1/n)^5).at n=9A197904