OFFSET
0,2
COMMENTS
EXAMPLE
23: 10111 -> 10111 + 11101 = 110100 -> 110100 + 1011 = 111111, so a(23) = 111111.
PROG
(ARIBAS): stop := 500; for k := 0 to 60 do c := 0; m := k; test := true; while test and c < stop do inc(c); m := m + bit_reverse(m); test := m <> bit_reverse(m); end; if c < stop then bit_write(m); else write(-1); end; write(" "); end; .
CROSSREFS
KEYWORD
base,easy,sign
AUTHOR
Klaus Brockhaus, Jun 06 2001
STATUS
approved