Perfect squares (A000290) that can be expressed as the sum of three consecutive triangular numbers (A000217).
A165516
Perfect squares (A000290) that can be expressed as the sum of three consecutive triangular numbers (A000217).
Terms
- a(0) =4a(1) =64a(2) =361a(3) =6241a(4) =35344a(5) =611524a(6) =3463321a(7) =59923081a(8) =339370084a(9) =5871850384a(10) =33254804881a(11) =575381414521
External references
- oeis: A165516