Formula for Magic square to make square numbers X; 2*Y; Y+2*X 2*(X+Y); X+Y; 0 Y; 2*X; X+2*Y SUM: 3*(X+Y) If all entries are triangular numbers, then we know that 8 times any triangular number +1 equals an odd square. (0*8 + 1=1^2) Reply
X; 2*Y; Y+2*X
2*(X+Y); X+Y; 0
Y; 2*X; X+2*Y
SUM: 3*(X+Y)
If all entries are triangular numbers, then we know that 8 times any triangular number +1 equals an odd square. (0*8 + 1=1^2)