109631

Appears in sequences

• Riordan matrix (1/(x+sqrt(1-4x)),(1-sqrt(1-4x))/(2(x+sqrt(1-4x)))).at n=57A188513
• Number of North-East lattice paths from (0,0) to (n,n) that bounce off the diagonal y = x to the right exactly twice.at n=8A268400
• a(n) = 2*n^3 - 3*n + 1.at n=38A377663