Nonnegative integers n such that 11*n^2 + 11*n + 1 is a square.
A105838
Nonnegative integers n such that 11*n^2 + 11*n + 1 is a square.
Terms
- a(0) =0a(1) =39a(2) =159a(3) =15720a(4) =63480a(5) =6256719a(6) =25265079a(7) =2490158640a(8) =10055438160a(9) =991076882199
External references
- oeis: A105838