Nonnegative n such that 6*n^2 + 6*n + 1 is a square.
A105038
Nonnegative n such that 6*n^2 + 6*n + 1 is a square.
Terms
- a(0) =0a(1) =4a(2) =44a(3) =440a(4) =4360a(5) =43164a(6) =427284a(7) =4229680a(8) =41869520a(9) =414465524a(10) =4102785724a(11) =40613391720a(12) =402031131480
External references
- oeis: A105038