Triangular numbers whose digit reversal is the product of 2 palindromes greater than 1.

Terms

a(0) =6a(1) =21a(2) =36a(3) =45a(4) =55a(5) =66a(6) =120a(7) =210a(8) =231a(9) =253a(10) =406a(11) =465a(12) =561a(13) =630a(14) =666a(15) =820a(16) =990a(17) =3003a(18) =3240a(19) =4095a(20) =4950a(21) =5050a(22) =5151a(23) =5671a(24) =5995a(25) =6670a(26) =8001a(27) =20503a(28) =23653a(29) =24753