617009

Appears in sequences

• Denominators of continued fraction convergents to sqrt(197).at n=4A041365
• Denominators of continued fraction convergents to sqrt(788).at n=4A042519
• a(n) = n^4 + 3*n^2 + 1.at n=28A057721
• Numbers generated by the Fibonacci polynomial x^4 + 3x^2 + 1.at n=27A085151
• Pell equation solutions (14*b(n))^2 - 197*a(n)^2 = -1 with b(n) = A097775(n), n >= 0.at n=2A097776