Triangular numbers that are the difference of nonnegative cubes.

Terms

a(0) =0a(1) =1a(2) =91a(3) =4095a(4) =5886a(5) =7875a(6) =8128a(7) =8911a(8) =9045a(9) =17955a(10) =21736a(11) =23653a(12) =47278a(13) =93961a(14) =115921a(15) =130816a(16) =184528a(17) =259560a(18) =379756a(19) =488566a(20) =575128a(21) =658378a(22) =758296a(23) =810901a(24) =873181a(25) =885115a(26) =1060696a(27) =1155960a(28) =1358776a(29) =1385280