1459810

Appears in sequences

• Coordination sequence for 7-dimensional cubic lattice.at n=14A008415
• Coordination sequence for C_7 lattice.at n=7A019563
• a(n) = n*(4*n^6 + 70*n^4 + 196*n^2 + 45)/315.at n=14A099193
• a(n) = [x^(2*n)] ((1 + x)/(1 - x))^n.at n=7A103885
• Square array T(n,k), n >= 0, k >= 0, read by antidiagonals, where T(n,k) is the coefficient of x^(k*n) in expansion of ( (1 + x)/(1 - x) )^n.at n=52A336521
• Square array read by ascending antidiagonals: T(n,k) = [x^(n*k)] ((1 + x)/(1 - x))^k for n, k >= 1.at n=34A363418