Sixth powers ending in digit 6.

Terms

a(0) =4096a(1) =46656a(2) =7529536a(3) =16777216a(4) =191102976a(5) =308915776a(6) =1544804416a(7) =2176782336a(8) =7256313856a(9) =9474296896a(10) =24794911296a(11) =30840979456a(12) =68719476736a(13) =82653950016a(14) =164206490176a(15) =192699928576a(16) =351298031616a(17) =404567235136a(18) =689869781056a(19) =782757789696