89460

Appears in sequences

• a(n) = n*(n+1)*(2*n+1).at n=35A055112
• a(0)=1 and for n>0: a(n) = if gcd(a(n-1),n)>1 then lcm(a(n-1),n) else a(n-1)+n.at n=15A076607
• Integer areas of integer-sided triangles where at least one of the three altitudes is of prime length.at n=33A256579
• a(n) = 3*n*(n^2 + 3*n + 4).at n=30A280304