318401

Appears in sequences

• Numerators of continued fraction convergents to sqrt(398).at n=7A041756
• a(n) = 1250*n^2 - 100*n + 1.at n=15A154374
• a(n) = 5000*n^2 - 200*n + 1.at n=7A157516
• a(n) = 80000*n^2 - 800*n + 1.at n=1A157661
• Partial sums of sequence A177342.at n=30A178073
• Numbers k such that C(k+2,2) divides 2^(k+1) - 1.at n=38A246636