38251

Appears in sequences

• Number triangle read by rows: T(n,k) = Sum_{j=0..n-k} C(n+j,j+k)*C(n-j,k).at n=50A117207
• Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 1,4,0,1,1,0,0 for x=0,1,2,3,4,5,6.at n=7A197869
• Number of n element 0..3 arrays with each element the minimum of 5 adjacent elements of a random 0..3 array of n+4 elements.at n=11A217951
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 926", based on the 5-celled von Neumann neighborhood.at n=42A273778
• a(n) = Sum_{k=0..n} binomial(n, floor(k/2 - 1/2)) * binomial(n, ceiling(k/2 - 1/2)).at n=9A378069