n

0

1

2

3

4

5

6

7

8

F1(n)

0

1

1

2

3

5

8

13

21

F1(n)

0

1

−1

2

−3

5

−8

13

−21

F2(n)

0

1

2

5

12

29

70

169

408

F2(n)

0

1

−2

5

−12

29

−70

169

−408

F3(n)

0

1

3

10

33

109

360

1189

3927

F3(n)

0

1

−3

10

−33

109

−360

1199

−3927

F4(n)

0

1

4

17

72

305

1292

5473

23,184

F4(n)

0

1

−4

17

−72

305

−1292

5473

−23,184