2N

2 N P n

6

3

0

0

0

0

0

0

0

8

5

0

0

0

0

0

0

0

10

7

5

0

0

0

0

0

0

12

9

7

0

0

0

0

0

0

14

11

9

7

0

0

0

0

0

16

13

11

9

0

0

0

0

0

18

15

13

11

0

0

0

0

0

20

17

15

13

0

0

0

0

0

22

19

17

15

11

0

0

0

0

24

21

19

17

13

0

0

0

0

26

23

21

19

15

13

0

0

0

28

25

23

21

17

15

0

0

0

30

27

25

23

19

17

0

0

0

32

29

27

25

21

19

0

0

0

34

31

29

27

23

21

17

0

0

36

33

31

29

25

23

19

0

0

38

35

33

31

27

25

21

19

0

40

37

35

33

29

27

23

21

0

O

O-2

O-(11 - 3)