255980

Appears in sequences

• Triangle of coefficients from a polynomial recursion with row sum near =2*5^n: p(x,n)=(x + 1)*(p(x, n - 1) + 2*5^(n - 2)*(x + 5*x^Floor[n/2] + x^(n - 2))).at n=40A153354
• Number of n X 3 0..1 arrays with no occurrence of three equal elements in a row horizontally, vertically or nw-to-se diagonally, and new values 0..1 introduced in row major order.at n=11A204192
• Number of 0..5 arrays of length n with each element differing from at least one neighbor by 2 or more, starting with 0.at n=8A221512