Palindromic and divisible by 4.

Terms

a(0) =0a(1) =4a(2) =8a(3) =44a(4) =88a(5) =212a(6) =232a(7) =252a(8) =272a(9) =292a(10) =404a(11) =424a(12) =444a(13) =464a(14) =484a(15) =616a(16) =636a(17) =656a(18) =676a(19) =696a(20) =808a(21) =828a(22) =848a(23) =868a(24) =888a(25) =2112a(26) =2332a(27) =2552a(28) =2772a(29) =2992