2078209

Appears in sequences

• Let a,b be prime numbers satisfying the Diophantine equation a^3+b^3=(a+b)*(a^2-a*b+b^2)=c^2. Then the second factor a^2-a*b+b^2 is 3*e^2 for some integer e. This sequence tabulates the 'e' values, sorted by magnitude of c.at n=20A099809
• Column 0 of triangle A105542, which equals the matrix square of triangle A105540.at n=28A105543