65008

Appears in sequences

• Number of bracelets (turnover necklaces) of n beads of 2 colors, 7 of them black.at n=26A032280
• a(n) = (4*n^3 + 11*n^2 + 9*n + 2)/2.at n=31A135712
• a(n) = 225*n^2 - n.at n=16A156813
• a(n) = 289*n^2 - 17.at n=14A158587
• a(n) = 2^(floor((n-1)/2)) - n*(n-1)/2.at n=32A163417
• Sum of smallest parts of all partitions of n into an even number of parts.at n=46A222045
• Essential dimension of the spin group Spin_n over an algebraically closed field of characteristic different from 2.at n=28A280191
• A Seidel matrix A(n,k) read by antidiagonals downwards.at n=57A323834
• A Seidel matrix A(n,k) read by antidiagonals downwards.at n=63A323834
• Number of regions in a polygon whose boundary consists of n+2 equally spaced points around a semicircle and three equally spaced points along the diameter (a total of n+3 points). See Comments for precise definition.at n=33A333642