Triangular numbers such that moving the last digit to the front produces a square.

A133198

Triangular numbers such that moving the last digit to the front produces a square.

Terms

    a(0) =1a(1) =10a(2) =3240a(3) =464166a(4) =1043290a(5) =5740966a(6) =335936160a(7) =428264011a(8) =3529890253a(9) =4015289691a(10) =108170400250a(11) =821266581691

External references