51570

Appears in sequences

• Numbers k such that k | sigma_13(k) - phi(k)^13.at n=22A055707
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 0, 0), (0, 0, 1), (1, 0, -1), (1, 1, 1)}.at n=8A150794
• Number of 4 X 4 X 4 triangular 0..n arrays with every horizontal row nondecreasing, first elements of rows nonincreasing, last elements of rows nondecreasing, and every row having the same average value.at n=14A215184
• Number of length n+4 0..7 arrays with no consecutive five elements summing to more than 2*7.at n=1A241935
• T(n,k)=Number of length n+4 0..k arrays with no consecutive five elements summing to more than 2*k.at n=29A241936
• Number of length 2+4 0..n arrays with no consecutive five elements summing to more than 2*n.at n=6A241938
• Triangle read by rows: T(n,k) is the number of parking functions of length n whose maximum element is k, where n >= 0 and 0 <= k <= n.at n=40A260693
• Number of parking functions of length 2n whose maximum element is n.at n=4A291121