321601

Appears in sequences

• Numerators of continued fraction convergents to sqrt(402).at n=3A041762
• a(n) = 1250*n^2 + 100*n + 1.at n=15A154375
• a(n) = 5000*n^2 + 200*n + 1.at n=7A157511
• a(n) = 80000*n^2 + 800*n + 1.at n=1A157664