Numbers k such that phi(k) = number of perfect partitions of (k-1).

Terms

a(0) =1a(1) =2a(2) =4a(3) =8a(4) =16a(5) =20a(6) =32a(7) =64a(8) =112a(9) =128a(10) =256a(11) =512a(12) =1024a(13) =2048a(14) =2816a(15) =4096a(16) =8192a(17) =13312a(18) =16384a(19) =32768a(20) =65536a(21) =131072a(22) =262144a(23) =278528a(24) =524288a(25) =1000512a(26) =1048576a(27) =1245184a(28) =2097152a(29) =4194304