1060696domain: NAppears in sequencesa(n) = (n^2-1)*(2*n^2-1).at n=27A033595Partial sums of dodecahedral numbers (A006566).at n=31A116689Triangular numbers that are the difference of nonnegative cubes.at n=26A129965a(n) = 2*3^(2*n) - 3*3^n + 1.at n=6A240917