Base-20 Armstrong or narcissistic numbers (written in base 10).

Terms

a(0) =1a(1) =2a(2) =3a(3) =4a(4) =5a(5) =6a(6) =7a(7) =8a(8) =9a(9) =10a(10) =11a(11) =12a(12) =13a(13) =14a(14) =15a(15) =16a(16) =17a(17) =18a(18) =19a(19) =2413a(20) =53808a(21) =760400a(22) =760401a(23) =45661018a(24) =62470211a(25) =619939142a(26) =14613048357