Number of Notches  Number of Pieces  Total Area  Constructions  

Twosided Pieces  k odd  1/2*(10Ck + 2*(4C((k1)/2)))  2*(10Ck + 2*(4C((k1)/2)))  
k even, k>0  1/2*(10Ck + (4C(k/2)+(4C((k2)/2)))  2*(10Ck + (4C(k/2)+(4C((k2)/2)))  
0  1  4  
1  6  24  no rectangles, 6 isn't a multiple of 4  
2  25  100  no rectangles, 25 isn't a multiple of 4  
0..2  32  128  8x16 rectangle  
3  64  256  16x16 square  
0..3  96  384  8x48, 12x32, 16x24 rectangle 20²4² square ring 

Onesided Pieces  k  10Ck  4*(10Ck)  
0  1  4  
1  10  40  no rectangles, 10 isn't a multiple of 4  
2  45  180  no rectangles, 45 isn't a multiple of 4  
0..2  56  224  8x28 rectangle  
3  120  480  12x40, 20x24 rectangle  
0..3  176  704  8x88, 16x44 rectangle 