22591009

Appears in sequences

• Squares of odd hexagonal numbers.at n=24A014771
• a(1) = 1, a(n+1) is the smallest square greater than the n-th partial sum.at n=23A076967
• Numbers k dividing u(k), where the Lucas sequence is defined u(i) = u(i-1) - 2*u(i-2) with initial conditions u(0)=0, u(1)=1.at n=22A228439