173030

Appears in sequences

• a(n) = binomial(2*n,n)*(n+3)^2/(n+1).at n=8A119575
• a(n) = 256*n^2 - n.at n=25A158010
• a(n) = 1024*n^2 - 2*n.at n=12A158420
• a(n) = 676*n^2 - 26.at n=15A158639