Many numbers have mystic or mythical associations: All things good and bad are said to be three; to the Chinese, four is an unlucky number because it sounds like “death” in the Chinese language; you can find the number five in pentagrams of soothsayers and mystics, and in the pentacle of Solomon; the seven arms of the Hebrew candelabrum, and the seven layers of hell in Islam; the proverbial nine lives of a cat, and the cat-o’-nine-tails (though that is another kind of cat!); the belief that the number thirteen is unlucky (though in Italy, it’s a lucky number; etc. 259 more words
This is a simple algebraic proof of a certain pattern of Fibonacci triples that I have posted a few days ago. Note; Comments are turned off here. Please visit the original post.