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!)
A218609 Distinct values of A218787 in the order of appearance. 4
0, 1, 2, 8, 3, 60, 172, 12, 20, 49, 54, 3016, 10096, 125744802, 101035235, 25, 1358590114, 40796719636668219, 70, 19049, 1770, 18, 7, 16261, 82682568533587123, 17, 36, 307, 315899951699378231, 3871315398, 15215587727307698, 59, 9097520004151634187729920190004140 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,3
COMMENTS
a(n) = A014486-index for the n-th tendril of the infinite beanstalk (A179016), which has not been encountered before, constructed with lesser numbers coming to the left, and larger to the right hand side of each branch.
LINKS
FORMULA
a(n) = A218787(A218611(n)).
PROG
(Scheme): (define (A218609 n) (A218787 (A218611 n)))
CROSSREFS
These are the mirror-images of binary trees given in A218610, i.e. a(n) = A057163(A218610(n)). A218613 gives the sizes of these trees. Cf. A218611.
Sequence in context: A126951 A282637 A256411 * A268491 A076588 A068565
KEYWORD
nonn
AUTHOR
Antti Karttunen, Nov 11 2012
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 March 28 09:04 EDT 2024. Contains 371240 sequences. (Running on oeis4.)