175066

Appears in sequences

• Expansion of (1-4*x+3*x^2)/((1-2*x)*(1-4*x+x^2)).at n=10A087944
• Number of distinct shuffles of the identity permutation on n letters with the halfway-wrapped around permutation k+1,k+2,...,n-1,n,1,2,...,k where k=floor(n/2).at n=9A145208
• Number of lower triangular n X n arrays colored with integers 0 upwards introduced in row major order, with no element equal to any horizontal, vertical or antidiagonal neighbor, and containing the value n(n+1)/2-2.at n=33A211924
• Number of paths of length n starting at initial node of the path graph P_11.at n=20A336678