Palindromes containing at least one pair of consecutive equal digits.

Terms

a(0) =11a(1) =22a(2) =33a(3) =44a(4) =55a(5) =66a(6) =77a(7) =88a(8) =99a(9) =111a(10) =222a(11) =333a(12) =444a(13) =555a(14) =666a(15) =777a(16) =888a(17) =999a(18) =1001a(19) =1111a(20) =1221a(21) =1331a(22) =1441a(23) =1551a(24) =1661a(25) =1771a(26) =1881a(27) =1991a(28) =2002a(29) =2112