a(n) = 2^n - mu(n).

Terms

a(0) =1a(1) =5a(2) =9a(3) =16a(4) =33a(5) =63a(6) =129a(7) =256a(8) =512a(9) =1023a(10) =2049a(11) =4096a(12) =8193a(13) =16383a(14) =32767a(15) =65536a(16) =131073a(17) =262144a(18) =524289a(19) =1048576a(20) =2097151a(21) =4194303a(22) =8388609a(23) =16777216a(24) =33554432a(25) =67108863a(26) =134217728a(27) =268435456a(28) =536870913a(29) =1073741825