derive-function.ts

    function LayoutFinder(numDevices: number): DeviceLayout {
        let rows = 1;
        let devices_per_row = 1;
    
        for(let i = 2; i <= numDevices; i++){
            if(numDevices > rows * devices_per_row){
                if(rows === devices_per_row){
                    devices_per_row++;
                } else {
                    rows++;
                }
            }
        }
    
        return  {
            devices: numDevices,
            rows: rows,
            devices_per_row: devices_per_row
        }
    }
    

table.md

Devices	Rows	D/R
1	1	1
2	1	2
3	2	2
4	2	2
5	2	2
6	2	3
7	3	3
8	3	3
9	3	3
10	3	4
11	3	4
12	3	4
13	4	4
14	4	4
15	4	4
16	4	4
17	4	5
18	4	5
19	4	5
20	4	5
21	5	5