Multimagic square 36, 100, ... Value for Trimagic squares 1, 50, 675, 4624, ... Similarly the tetramagic sequence 4-Power 0, 1, 16, 81, 256, 625, 1296, ... Sum of 4-Power 0, 1, 17, 98, 354, 979, 2275, ... Sums for Tetramagic squares 0, 1, 177, ... The first known bimagic square has order 8 and magic constant 260 and a bimagic constant of 11180. It has been conjectured by Bensen and Jacoby that no nontrivial bimagic squares of order less than 8 exist. This was shown for magic squares containing the elements 1 to "n" by Boyer and Trump. However, J. R.
The Only Way Is Essex (series 16) it was announced that cast member Gemma Collins had quit the show having appeared since the second series, however she later returned for the Essexmas special. This was also the final series to feature original cast member Lauren Pope, who quit mid-way through the series, Jess Wright and Ferne McCann who both announced their departures from the show ahead of the seventeenth series. This was also the final series to include Patricia "Nanny Pat" Brooker following her death. A Christmas special of the show aired on 16 December 2015 which featured the brief return of former cast members Gemma Collins,