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A081777
Continued fraction for sum(k>=0,1/9^(2^k-1)).
0
1, 8, 1, 8, 9, 8, 1, 8, 8, 1, 8, 8, 1, 7, 1, 8, 8, 1, 8, 9, 8, 1, 8, 8, 1, 7, 1, 8, 9, 8, 1, 8, 8, 1, 7, 1, 8, 8, 1, 8, 8, 1, 8, 9, 8, 1, 8, 8, 1, 7, 1, 8, 9, 8, 1, 8, 8, 1, 8, 8, 1, 7, 1, 8, 8, 1, 8, 9, 8, 1, 7, 1, 8, 8, 1, 8, 9, 8, 1, 8, 8, 1, 7, 1, 8, 8, 1, 8, 8, 1, 8, 9, 8, 1, 8, 8, 1, 7, 1, 8, 9, 8, 1, 8, 8
OFFSET
1,2
COMMENTS
Contains only elements 1<=a(n)<=9 ( but 2,3,4,5 and 6 never occur)
CROSSREFS
Cf. A004200.
Sequence in context: A151786 A094770 A093565 * A198988 A098367 A141228
KEYWORD
cofr,nonn
AUTHOR
Benoit Cloitre, Apr 10 2003
STATUS
approved