1	a = 1	b = 1	+(2)	-(0)	*(1)		/(1)
2	a = 2	b = 2	+(4)	-(0)	*(4)		/(1)
3	a = 3	b = 3	+(6)	-(0)	*(9)		/(1)
4	a = 4	b = 3   +(7)	-(1)	*(12)		/(1,33)
5	a = 5	b = 3	+(8)	-(2)	*(15)		/(1,66)


1	a = 1	b = 1   +(2)	-(0)	*(1)		/(1)
2	a = 2	b = 1	+(3)	-(1)	*(2)		/(2)
3	a = 3	b = 2	+(5)	-(1)	*(6)		/(1,5)
4	a = 4	b = 2	+(6)	-(2)	*(8)		/(2)
5	a = 5	b = 3   +(8)	-(2)	*(15)		/(2,5)

1	a = 1	b = 1
2   a = 2	b = 0
3	a = 3	b = 1
4	a = 4	b = 0
5	a = 5	b = 1