217504

Appears in sequences

• Coefficient of q-series for constant term of Tate curve.at n=12A122162
• a(n) = a(n-1) + 3*a(n-2) -2*a(n-3) - 2*a(n-4), where a(0) = 1, a(1) = -2, a(2) = 2, a(3) = 1.at n=23A295855