a(n) = smallest number that leads to a new cycle under the base-4 Kaprekar map of A165012.

Terms

a(0) =0a(1) =18a(2) =65a(3) =66a(4) =257a(5) =1025a(6) =1039a(7) =1050a(8) =4097a(9) =16385a(10) =16386a(11) =16399a(12) =16447a(13) =65537a(14) =65551a(15) =65898a(16) =262145a(17) =262146a(18) =262207a(19) =262239a(20) =262399a(21) =1048577a(22) =1048578a(23) =1048591a(24) =1048639a(25) =4194305a(26) =4194310a(27) =4194319a(28) =4194399a(29) =4194559