216432

Appears in sequences

• a(n) = 9*(n-2)^2 * (n^2 - 2*n - 1).at n=12A060788
• Number of (n+1)X(3+1) 0..2 arrays colored with the maximum plus the lower median minus the minimum of every 2X2 subblock.at n=2A236606
• T(n,k)=Number of (n+1)X(k+1) 0..2 arrays colored with the maximum plus the lower median minus the minimum of every 2X2 subblock.at n=12A236610
• Theta series of the 20-dimensional lattice of hyper-roots A_3(SU(3)).at n=7A290655
• a(n) = 378*n^2 - 54*n (n>=1).at n=23A305070
• Triangle read by rows: T(n,k) is the number of (unlabeled) connected graphs with n nodes and metric dimension k, 0 <= k < n.at n=39A348600