The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A182976 Denominators of fractions with the same position in A020652/A038567 and A182972/A182973. 7
2, 3, 5, 23, 73, 143, 163, 235, 477, 1238, 4175, 4641, 7820, 11217, 25915, 37643, 95299, 576088, 1203677 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
The positions of the matching fractions are given in A182974.
The numerators of the matching fractions are given in A182975.
The initial (zeroth) term of A038567 is ignored.
REFERENCES
S. Cook, Problem 511: An Enumeration Problem, Journal of Recreational Mathematics, Vol. 9:2 (1976-77), 137. Solution by the Problem Editor, JRM, Vol. 10:2 (1977-78), 122-123.
LINKS
Paul Yiu, Recreational Mathematics, 24.3.1 Appendix: Two enumerations of the rational numbers in (0,1), page 633.
EXAMPLE
The matching fractions are 1/2, 1/3, 2/5, 9/23, 30/73, 59/143 ... (this is A182975/A182976).
CROSSREFS
Sequence in context: A171432 A214703 A327700 * A042363 A208220 A138655
KEYWORD
nonn,frac,more
AUTHOR
STATUS
approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 24 12:09 EDT 2024. Contains 372773 sequences. (Running on oeis4.)