Never seen before.
By boarded magic squares we understand that if we remove the external border still, we are left with magic squares of lower orders with sequential entries. Single digits bordered magic squares are well-known. This work brings ver different types of bordered magic squares but are of corner-type, known by cornered magic squares. Instead of removing the whole border, here we removed only last row and column. By doing so, we still left with lower order cornered magic squares. This work is up to order 108. We start with order 5.
In this work we shall bring striped cornered magic squares. These are of two types. One as striped cornered magic squares. These are possible only for even order magic squares. The second type we call as striped semi-cornered magic squares. These are for the odd order magic squares. The reason for semi-cornered magic squares is that in these cases we have one of the corners as magic squares of orders 3 or 5 or magic rectangles of orders 3×5 or 5×7. By striped magic squares we understand that magic squares formed by equal width magic rectangles. In these cases, the magic rectangles are of type 2xn, where n is the length of the magic rectangle.
Below are few examples in both the cases, i.e., striped and semi-striped corner magic squares.
Striped Cornered Magic Squares: Even Orders from 6 to 30
Semi-Striped Cornered Magic Squares: Odd Orders from 7 to 31
