Triangular numbers with sum of digits = 28.

Terms

a(0) =5995a(1) =14878a(2) =17578a(3) =24976a(4) =29890a(5) =32896a(6) =36856a(7) =37675a(8) =42778a(9) =47278a(10) =52975a(11) =53956a(12) =54946a(13) =55945a(14) =56953a(15) =57970a(16) =67528a(17) =68635a(18) =69751a(19) =70876a(20) =75466a(21) =76636a(22) =77815a(23) =83845a(24) =85078a(25) =87571a(26) =88831a(27) =91378a(28) =92665a(29) =93961