Competition #4 This competition is organized by Макарова Наталия (Natalia Makarova) Definitions Definition 1: A prime k-tuple is a finite collection of values (p + a1, p + a2, p + a3, …, p + ak), where p, p + a1, p + a2, p + a3, …, p + ak are prime numbers, (a1, […]

The competition Ultra Magic Squares of prime numbers is over. Thanks to all people that have partecipate. The result is in this table: [insert_php] include_once “pmg/pmg.php”; echo pmg_db_get_result(3); [/insert_php] Here are the best solution arrived after the ending of the competition: [insert_php] echo pmg_db_get_result_extra(3); [/insert_php]

This is the Ranking of the “Ultra Magic Squares of prime numbers” competition: [insert_php] include_once “pmg/pmg.php”; echo pmg_db_get_classif(3); [/insert_php]

Competition #3 This competition is organized by Макарова Наталия (Natalia Makarova) Definitions Definition 1: Magic square is called ultra magic square, if it is both associative (center symmetric) and pandiagonal. Ultra magic squares exist for orders n > 4. The Contest In the contest is required to built ultra magic squares of order 7 – […]

The competiotion was termanated without inserted result and with no winner (the two values in ranking are just testing result). Remember that you can still try to find new solution for the problems (without price) and in that cases the result will be presented here. Thanks

This is the Ranking of the “Pandiagonal Squares of Consecutive Primes” competition: [insert_php] include_once “pmg/pmg.php”; echo pmg_db_get_classif(2); [/insert_php]

Competition #2 This competition is organized by Макарова Наталия (Natalia Makarova) Definitions Definition 1: Pandiagonal magic squares Magic square is called pandiagonal, if the sum of the numbers in each of the broken diagonal is the magic constant of the square. For example – pandiagonal square of order 8 of prime numbers: 5 13 463 […]