Difference of two positive 9th powers.

Terms

a(0) =0a(1) =511a(2) =19171a(3) =19682a(4) =242461a(5) =261632a(6) =262143a(7) =1690981a(8) =1933442a(9) =1952613a(10) =1953124a(11) =8124571a(12) =9815552a(13) =10058013a(14) =10077184a(15) =10077695a(16) =30275911a(17) =38400482a(18) =40091463a(19) =40333924a(20) =40353095a(21) =40353606a(22) =93864121a(23) =124140032a(24) =132264603a(25) =133955584