128384

Appears in sequences

• a(n) = (2*n-1)*(5*n^2-5*n+2)/2.at n=29A063495
• Self-convolution of A265264.at n=13A265265
• a(0) = 1 and a(n) = A005169(n) - A005169(n-1).at n=25A289080