459005

Appears in sequences

• Smallest number strictly greater than previous one which is the sum of squares of two previous distinct terms (a(1)=1, a(2)=2).at n=15A008318
• Denominators of continued fraction convergents to sqrt(170).at n=4A041313
• Denominators of continued fraction convergents to sqrt(680).at n=4A042307
• a(n) = n^4 + 3*n^2 + 1.at n=26A057721
• Numbers generated by the Fibonacci polynomial x^4 + 3x^2 + 1.at n=25A085151
• Pell equation solutions (13*b(n))^2 - 170*a(n)^2 = -1 with b(n) = A097772(n), n >= 0.at n=2A097773