Abundant triangular numbers.

Terms

a(0) =36a(1) =66a(2) =78a(3) =120a(4) =210a(5) =276a(6) =300a(7) =378a(8) =528a(9) =630a(10) =666a(11) =780a(12) =820a(13) =990a(14) =1128a(15) =1176a(16) =1326a(17) =1540a(18) =1596a(19) =1770a(20) =1830a(21) =2016a(22) =2080a(23) =2346a(24) =2556a(25) =2628a(26) =2850a(27) =3160a(28) =3240a(29) =3486