Triangular numbers that are the product of a square number and a prime number.

Terms

a(0) =3a(1) =28a(2) =45a(3) =153a(4) =171a(5) =300a(6) =325a(7) =496a(8) =2556a(9) =2628a(10) =3321a(11) =4753a(12) =4851a(13) =7381a(14) =8128a(15) =13203a(16) =19900a(17) =25200a(18) =25425a(19) =29161a(20) =29403a(21) =56953a(22) =64980a(23) =65341a(24) =101025a(25) =166753a(26) =195625a(27) =209628a(28) =320400a(29) =354061