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A064845 Let r_1 = 1; r_{n+1} = [r_1; r_2, r_3,..., r_n]; n-th term is numerator of r_n. 4
1, 1, 2, 5, 31, 1231, 1917121, 4667676800641, 27640053867460068128570881, 969475805641849161579046591814284573846079748476161 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

[r_1; r_2, r_3,..., r_n] is a continued fraction, where the r's are rationals. limit{n -> infinity} r_n = 1.7118691868...

LINKS

Table of n, a(n) for n=1..10.

CROSSREFS

Cf. A053978, A064846.

Sequence in context: A163852 A051399 A080582 * A132527 A182327 A032504

Adjacent sequences:  A064842 A064843 A064844 * A064846 A064847 A064848

KEYWORD

easy,frac,nonn

AUTHOR

Leroy Quet Oct 31 2001

STATUS

approved

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Last modified May 21 18:45 EDT 2013. Contains 225504 sequences.