A special solution of X(n)^2 - 120*Y(n)^2 = 7^(2*n), n >= 0. The present sequence gives the X values.
A249864
A special solution of X(n)^2 - 120*Y(n)^2 = 7^(2*n), n >= 0. The present sequence gives the X values.
Terms
- a(0) =1a(1) =13a(2) =289a(3) =6877a(4) =164641a(5) =3943693a(6) =94468609a(7) =2262942877a(8) =54207552961
External references
- oeis: A249864