1133904604

Appears in sequences

• Quadratic recurrence from Sylvester's sequence, but starting with a(0)=1 and a(1)=2.at n=6A166105
• Square array read by antidiagonals: T(m,n) = T(m,n-1)^2 - T(m,n-2)^2 + T(m,n-2) with T(1,n) = 1, T(m,0) = 1, and T(m,1) = m.at n=29A294082