25512

Appears in sequences

• Integers n > 10563 such that the 'Reverse and Add!' trajectory of n joins the trajectory of 10563.at n=20A063064
• a(n) = 4 * A079137(n).at n=6A079312
• G.f. A(x) satisfies A(x) = 1 + x*A(x)/(1 - x*A(x)^2).at n=9A106228
• Triangle read by rows: T(n,k) is number of paths from (0,0) to (3n,0) that stay in the first quadrant (but may touch the horizontal axis), consisting of steps u=(2,1), U=(1,2), or d=(1,-1) and have k triple descents (i.e., ddd's).at n=50A108443
• Shifts left when Euler transform applied 5 times.at n=8A144037
• a(n) = 1728*n - 408.at n=14A157266
• Number of (n+1) X (n+1) 0..3 arrays with no 2 X 2 subblock having the same number of clockwise edge increases as its horizontal neighbors or the same number of counterclockwise edge increases as its vertical neighbors.at n=1A205948
• Number of (n+1) X 3 0..3 arrays with no 2 X 2 subblock having the same number of clockwise edge increases as its horizontal neighbors or the same number of counterclockwise edge increases as its vertical neighbors.at n=1A205949
• T(n,k) = number of (n+1) X (k+1) 0..3 arrays with no 2 X 2 subblock having the same number of clockwise edge increases as its horizontal neighbors or the same number of counterclockwise edge increases as its vertical neighbors.at n=4A205954
• Number of Motzkin n-paths avoiding odd-numbered steps that are up steps.at n=17A215067
• Number of 2Xn 0..3 arrays with no element equal to zero plus the sum of elements to its left or one plus the sum of the elements above it or one plus the sum of the elements diagonally to its northwest or zero plus the sum of the elements antidiagonally to its northeast, modulo 4.at n=15A241357
• Number of length n+4 0..5 arrays with some disjoint pairs in every consecutive five terms having the same sum.at n=1A247924
• T(n,k)=Number of length n+4 0..k arrays with some disjoint pairs in every consecutive five terms having the same sum.at n=16A247927
• Number of length 2+4 0..n arrays with some disjoint pairs in every consecutive five terms having the same sum.at n=4A247929
• The number of maximally large absolute-difference triangles consisting of positive integers <= n.at n=17A337719
• Number of finite sequences of integer partitions with total sum n and all distinct lengths.at n=15A358912