Palindromes in the order in which they appear in Pascal's triangle, without repetition.

Terms

a(0) =1a(1) =2a(2) =3a(3) =4a(4) =6a(5) =5a(6) =7a(7) =8a(8) =9a(9) =252a(10) =11a(11) =55a(12) =66a(13) =1001a(14) =2002a(15) =3003a(16) =5005a(17) =8008a(18) =171a(19) =969a(20) =22a(21) =646646a(22) =1771a(23) =33a(24) =595a(25) =666a(26) =3262623a(27) =44a(28) =77a(29) =88