Concatenate n and the sum of the digits of n raised to their own power (A045503).

Terms

a(0) =1a(1) =11a(2) =24a(3) =327a(4) =4256a(5) =53125a(6) =646656a(7) =7823543a(8) =816777216a(9) =9387420489a(10) =102a(11) =112a(12) =125a(13) =1328a(14) =14257a(15) =153126a(16) =1646657a(17) =17823544a(18) =1816777217a(19) =19387420490a(20) =205a(21) =215a(22) =228a(23) =2331a(24) =24260a(25) =253129a(26) =2646660a(27) =27823547a(28) =2816777220a(29) =29387420493