Triangular numbers using only the curved digits 0, 3, 6, 8 and 9.

Terms

a(0) =0a(1) =3a(2) =6a(3) =36a(4) =66a(5) =300a(6) =630a(7) =666a(8) =903a(9) =990a(10) =3003a(11) =6903a(12) =33930a(13) =39060a(14) =39903a(15) =63903a(16) =66066a(17) =69006a(18) =93096a(19) =306936a(20) =333336a(21) =339900a(22) =600060a(23) =609960a(24) =630003a(25) =669903a(26) =690900a(27) =833986a(28) =930930a(29) =936396