A080985 Define b by b(1) = 1 and for n>1, b(n) = b(n-1)+1/(2+1/b(n-1)); sequence gives denominator of b(n).
1, 3, 33, 4785, 118289985, 83574429584465985, 47533348097639173195113266868291585, 17303590888755815609063515462865866934559547198082397287546077959536385
Offset: 1
Examples
See under A080984.
Formula
See under A080984.
Comments