Any of 1 or 3 or 5, Etc.; Unlucky in China
This page is the CodyCross answer for the clue below from London, Group 494, Puzzle 2 (Maritime Greenwich).
Question is: Any of 1 or 3 or 5, Etc.; Unlucky in China
and the answer is: ODDNUMBER
Word Meaning:
ODD NUMBER — (mathematics) Any integer that produces a noninteger when divided by two. (This entry is a translation hub.)
Definitions from Wiktionary.