A080984 - cp's OEIS frontend

A080984 Define b by b(1) = 1 and for n > 1, b(n) = b(n-1) + 1/(2 + 1/b(n-1)); sequence gives numerator of b(n).

n	a(n)
1	1
2	4
3	56
4	9968
5	294115808
6	242590126064151488
7	158248601344912132157178428071499648
8	65129411362626329768830076910903417752818896343320137665280356705971968

[1, 4, 56, 9968, 294115808, 242590126064151488, 158248601344912132157178428071499648, 65129411362626329768830076910903417752818896343320137665280356705971968]

cp's OEIS Frontend

A080984 Define b by b(1) = 1 and for n > 1, b(n) = b(n-1) + 1/(2 + 1/b(n-1)); sequence gives numerator of b(n).

Table of values

List of values