Triangular numbers which have one or more occurrences of exactly six different digits.

Terms

a(0) =102378a(1) =103285a(2) =104653a(3) =106953a(4) =108345a(5) =109278a(6) =109746a(7) =120786a(8) =124750a(9) =132870a(10) =135460a(11) =137026a(12) =138075a(13) =150426a(14) =152076a(15) =154290a(16) =158203a(17) =162735a(18) =168490a(19) =170236a(20) =174936a(21) =178503a(22) =189420a(23) =190653a(24) =194376a(25) =197506a(26) =198765a(27) =203841a(28) =205761a(29) =215496