"Kaprekar quintuples": digits of X^5 taken D at a time sum to X (where D is number of digits in X.)

Terms

a(0) =1a(1) =10a(2) =1000a(3) =7776a(4) =27100a(5) =73440a(6) =95120a(7) =500499a(8) =505791a(9) =540539a(10) =598697a(11) =665335a(12) =697598a(13) =732347a(14) =7607610a(15) =37944478a(16) =46945205a(17) =54995500a(18) =55216205a(19) =56607166a(20) =58106906a(21) =63136413a(22) =66595563a(23) =68167738a(24) =68807564a(25) =69188525a(26) =70667477a(27) =72197730a(28) =73197730a(29) =74145807