Positive numbers k such that the binary and negabinary representations of k and the negabinary representation of -k are all palindromic.

A331895

Positive numbers k such that the binary and negabinary representations of k and the negabinary representation of -k are all palindromic.

Terms

    a(0) =1a(1) =5a(2) =7a(3) =17a(4) =21a(5) =31a(6) =65a(7) =85a(8) =127a(9) =257a(10) =273a(11) =325a(12) =341a(13) =455a(14) =511a(15) =1025a(16) =1105a(17) =1285a(18) =1365a(19) =1799a(20) =2047a(21) =4097a(22) =4161a(23) =4369a(24) =4433a(25) =5125a(26) =5189a(27) =5397a(28) =5461a(29) =7175

External references