Sum of 7th powers of digits of n.

Terms

a(0) =0a(1) =1a(2) =128a(3) =2187a(4) =16384a(5) =78125a(6) =279936a(7) =823543a(8) =2097152a(9) =4782969a(10) =1a(11) =2a(12) =129a(13) =2188a(14) =16385a(15) =78126a(16) =279937a(17) =823544a(18) =2097153a(19) =4782970a(20) =128a(21) =129a(22) =256a(23) =2315a(24) =16512a(25) =78253a(26) =280064a(27) =823671a(28) =2097280a(29) =4783097