Least k such that (tau(k^k)+k-1)/k=n.

Terms

a(0) =1a(1) =2a(2) =4a(3) =8a(4) =16a(5) =32a(6) =64a(7) =128a(8) =6a(9) =512a(10) =1024a(11) =2048a(12) =10a(13) =8192a(14) =16384a(15) =32768a(16) =14a(17) =15a(18) =262144a(19) =524288a(20) =1048576a(21) =2097152a(22) =4194304a(23) =21a(24) =22a(25) =33554432a(26) =67108864a(27) =12a(28) =26a(29) =536870912