55252

Appears in sequences

• Central decanomial coefficients: largest coefficient of (1 + x + ... + x^9)^n.at n=6A025015
• Number of ordered solutions to x+y+z = u+v+w, 0 <= x, y, z, u, v, w < n.at n=9A071816
• Numbers k such that 2^(2*k - 1) - 1 is prime.at n=27A138576
• The Lucky Tickets Problem.at n=3A174061
• Number of 7-step self-avoiding walks on an n X n square summed over all starting positions.at n=10A188152
• Number of n-digits integers for which the sum of the odd-positioned digits equals the sum of the even-positioned digits.at n=5A197357
• Number of n X 4 binary arrays with top left value 1 and no two ones adjacent horizontally, vertically or antidiagonally.at n=7A228478
• T(n,k)=Number of nXk binary arrays with top left value 1 and no two ones adjacent horizontally, vertically or antidiagonally.at n=58A228482
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 779", based on the 5-celled von Neumann neighborhood.at n=35A273540
• Square array T(n,k), n>=0, k>=0, read by antidiagonals, where T(n,k) is the constant term in the expansion of ( Sum_{j=1..k} x_j^(2*j-1) + x_j^(-(2*j-1)) )^(2*n).at n=39A329020