A special solution of X(n)^2 - 280*Y(n)^2 = 3^(2*n), n >= 0; here the X member.
A249862
A special solution of X(n)^2 - 280*Y(n)^2 = 3^(2*n), n >= 0; here the X member.
Terms
- a(0) =1a(1) =17a(2) =569a(3) =19193a(4) =647441a(5) =21840257a(6) =736741769a(7) =24852657833a(8) =838359690401
External references
- oeis: A249862