64554

Appears in sequences

• Number of permutations of length n within distance 2 of a fixed permutation.at n=14A002524
• Number of n X 2 array permutations with each element moving zero or one space diagonally, horizontally or vertically.at n=6A189305
• Number of nX7 array permutations with each element moving zero or one space diagonally, horizontally or vertically.at n=1A189310
• T(n,k)=Number of nXk array permutations with each element moving zero or one space diagonally, horizontally or vertically.at n=29A189312
• T(n,k)=Number of nXk array permutations with each element moving zero or one space diagonally, horizontally or vertically.at n=34A189312
• Number of length n arrays of permutations of 0..n-1 with each element moved by -2 to 2 places and the total absolute value of displacements not greater than 2*(n-1).at n=13A263899
• a(n) = Sum_{k=0..floor(n/4)} (-1)^k * binomial(n-1-3*k,n-4*k) * binomial(2*k,k).at n=29A360315