a(1) = 1; for n > 1, a(n) = smallest k such that a(n-1)^3 + k is a cube.
A172027
a(1) = 1; for n > 1, a(n) = smallest k such that a(n-1)^3 + k is a cube.
Terms
- a(0) =1a(1) =7a(2) =169a(3) =86191a(4) =22286924017
External references
- oeis: A172027
A172027
a(1) = 1; for n > 1, a(n) = smallest k such that a(n-1)^3 + k is a cube.