63476

Appears in sequences

• Integer part of ((4th elementary symmetric function of 2,3,...,n+4)/(2nd elementary symmetric function of 2,3,...,n+4)).at n=38A024181
• a(n) = 81n^2 - n.at n=27A157953
• a(n) = 324n^2 - 2n.at n=13A158305
• a(n) = 784*n^2 - 28.at n=8A158657
• Number of (n+1)X(1+1) 0..3 arrays with the upper median plus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.at n=3A237915
• Number of (n+1)X(4+1) 0..3 arrays with the upper median plus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.at n=0A237918
• T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with the upper median plus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.at n=6A237921
• T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with the upper median plus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.at n=9A237921