a(n) = n^2 written backwards.

Terms

a(0) =1a(1) =4a(2) =9a(3) =61a(4) =52a(5) =63a(6) =94a(7) =46a(8) =18a(9) =1a(10) =121a(11) =441a(12) =961a(13) =691a(14) =522a(15) =652a(16) =982a(17) =423a(18) =163a(19) =4a(20) =144a(21) =484a(22) =925a(23) =675a(24) =526a(25) =676a(26) =927a(27) =487a(28) =148a(29) =9