131200

Appears in sequences

• a(n) = (4^n + 4^[ n/2 ] )/2.at n=7A001446
• Number of points of l_1 norm n in the "diamond" lattice D^+_4.at n=32A035878
• a(n) = 4*n^3 + 4*n.at n=32A105374
• Number of points in the standard root system version of the D_4 lattice having L_infinity norm n.at n=16A117216
• a(n) = 2*4^n + (-1)^n*2^(n-1).at n=7A120470
• a(n) = n^4*(n^5 + 1)/2.at n=4A168196
• a(n) = n^8*(n^10 + 1)/2.at n=2A170782
• Numbers n such that phi(n)/n = 16/41.at n=25A176598
• Molecular topological indices of the complete graph K_n.at n=40A181617
• Number of (n+1) X (1+1) 0..6 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 5 (constant-stress 1 X 1 tilings).at n=4A234683
• Number of (n+1) X (5+1) 0..6 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 5 (constant-stress 1 X 1 tilings).at n=0A234687
• T(n,k) is the number of (n+1) X (k+1) 0..6 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 5 (constant-stress 1 X 1 tilings).at n=10A234690
• T(n,k) is the number of (n+1) X (k+1) 0..6 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 5 (constant-stress 1 X 1 tilings).at n=14A234690
• Numbers n for which A019565(n) <= A087207(n) < n.at n=21A286612
• The positions of ones in the reversed binary expansion of n have integer mean and integer geometric mean.at n=25A327368
• Triangle read by rows where the n-th row is the cycle trajectory of 2^n+1 in the divide-or-choose 2 rule.at n=48A335003