Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A057873
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A057873 a(1) = 1; a(n+1) = sum of terms in continued fraction for sum{k=1 to n}[a(n+1-k)/a(k)]. +0
1
1, 1, 2, 5, 13, 29, 149, 217, 449, 855, 1578, 2834, 5445, 9425, 17054, 30095, 53610, 94905, 170505, 300335, 532606, 942870, 1669907, 2957734, 5236935, 9271871, 16416945, 29066281, 51463071, 91587523, 161792680, 286563514, 507342270 (list; graph; listen)
OFFSET

1,3

LINKS

Leroy Quet, Home Page (listed in lieu of email address)

EXAMPLE

Sum{k=1 to 4}[a(5-k)/a(k)] = 5/1 +2/1 +1/2 +1/5 = 77/10 =7 +1/(1 +1/(2 +1/3)). So a(5) = 7 +1 +2 +3 = 13.

CROSSREFS

Sequence in context: A091270 A045703 A122025 this_sequence A116699 A054127 A018012

Adjacent sequences: A057870 A057871 A057872 this_sequence A057874 A057875 A057876

KEYWORD

easy,nonn

AUTHOR

Leroy Quet Nov 19 2000

page 1

Search completed in 0.002 seconds

Lookup | Welcome | Find friends | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
More pages | Superseeker | Maintained by N. J. A. Sloane (njas@research.att.com)

Last modified December 15 00:47 EST 2009. Contains 170825 sequences.


AT&T Labs Research