164495

Appears in sequences

• Positive numbers y such that y^2 is of the form x^2+(x+167)^2 with integer x.at n=13A159777
• Number of valleys in all weighted lattice paths in B(n).at n=17A182902
• Number of n X n 0..3 arrays with no element x(i,j) adjacent to value 3-x(i,j) horizontally, antidiagonally or vertically, top left element zero, and 1 appearing before 2 in row major order.at n=3A233067
• Number of nX4 0..3 arrays with no element x(i,j) adjacent to value 3-x(i,j) horizontally, antidiagonally or vertically, top left element zero, and 1 appearing before 2 in row major order.at n=3A233069
• T(n,k)=Number of nXk 0..3 arrays with no element x(i,j) adjacent to value 3-x(i,j) horizontally, antidiagonally or vertically, top left element zero, and 1 appearing before 2 in row major order.at n=24A233073