86496

Appears in sequences

• Number of self-avoiding walks on hexagonal lattice.at n=6A007201
• Number of ways to place a non-attacking white and black queen on n X n chessboard.at n=17A035291
• n*(n+1)*(15*n^2-n-8)/12.at n=16A172047
• Number of 5-element nondividing subsets of {1, 2, ..., n}.at n=34A187492
• Number of (n+1) X 4 0..2 arrays with every 2 X 3 or 3 X 2 subblock having exactly two counterclockwise and two clockwise edge increases.at n=5A206089
• Number of (n+1) X 7 0..2 arrays with every 2 X 3 or 3 X 2 subblock having exactly two counterclockwise and two clockwise edge increases.at n=2A206092
• T(n,k) = number of (n+1) X (k+1) 0..2 arrays with every 2 X 3 or 3 X 2 subblock having exactly two counterclockwise and two clockwise edge increases.at n=30A206094
• T(n,k) = number of (n+1) X (k+1) 0..2 arrays with every 2 X 3 or 3 X 2 subblock having exactly two counterclockwise and two clockwise edge increases.at n=33A206094
• a(n) = 256n^2 - 828n + 656 (n>=1).at n=19A304379
• a(n) = Sum_{k=0..floor(n/4)} binomial(n,k) * binomial(2*k,n-4*k).at n=18A389126