login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A083940 A014486-indices of symmetric binary trees. 3
0, 1, 6, 43, 51, 389, 416, 477, 504, 551, 4102, 4191, 4397, 4485, 4649, 5100, 5187, 5393, 5481, 5645, 5964, 6051, 6215, 6489, 47404, 47700, 48403, 48697, 49268, 50833, 51126, 51828, 52120, 52691, 53829, 54120, 54690, 55690, 59334, 59627, 60328 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

COMMENTS

Fixed points of permutation A057163.

LINKS

Table of n, a(n) for n=0..40.

FORMULA

a(0)=0, a(n)=A072764bi(n-1, A057163(n-1)).

CROSSREFS

a(n) = A080300(A083941(n)). Cf. A083938, A084108.

Sequence in context: A291192 A185222 A179861 * A101071 A299375 A097298

Adjacent sequences:  A083937 A083938 A083939 * A083941 A083942 A083943

KEYWORD

nonn

AUTHOR

Antti Karttunen May 13 2003

STATUS

approved

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified July 5 20:10 EDT 2020. Contains 335473 sequences. (Running on oeis4.)