A080989 - cp's OEIS frontend

A080989 Define b by b(1) = 1 and for n>1, b(n) = b(n-1)+1/(3+1/b(n-1)); sequence gives denominator of b(n).

n	a(n)
1	1
2	4
3	76
4	31996
5	6509938156
6	305202648617286353116
7	751042364315893065602546739334386372522316
8	5042066805299767273773988103135929366654804375467223444639109745553463308647365564476

[1, 4, 76, 31996, 6509938156, 305202648617286353116, 751042364315893065602546739334386372522316, 5042066805299767273773988103135929366654804375467223444639109745553463308647365564476]

cp's OEIS Frontend

A080989 Define b by b(1) = 1 and for n>1, b(n) = b(n-1)+1/(3+1/b(n-1)); sequence gives denominator of b(n).

Table of values

List of values