Triangular numbers divisible by the square of the sum of their digits.

Terms

a(0) =1a(1) =10a(2) =3240a(3) =3321a(4) =13041a(5) =13203a(6) =15400a(7) =65341a(8) =80200a(9) =90100a(10) =161028a(11) =210276a(12) =260281a(13) =265356a(14) =266085a(15) =300700a(16) =346528a(17) =500500a(18) =937765a(19) =947376a(20) =1043290a(21) =1228528a(22) =1313010a(23) =1628110a(24) =2049300a(25) =2390391a(26) =2421100a(27) =3357936a(28) =3746953a(29) =4020030