Triangular numbers composed of digits {3,6,9}.
A119198
Triangular numbers composed of digits {3,6,9}.
Terms
- a(0) =3a(1) =6a(2) =36a(3) =66a(4) =666a(5) =333336a(6) =936396a(7) =963966a(8) =3966336a(9) =3996939936a(10) =99363693366
External references
- oeis: A119198