cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

Showing 1-4 of 4 results.

A084108 A014486-indices of "Complete Binary Trees".

Original entry on oeis.org

0, 1, 6, 477, 11231586, 17656351387745509, 118547604486270210927391203275078974, 14557702344245589436016960628730576845591277100880695377777962217288601549
Offset: 0

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Author

Antti Karttunen, May 13 2003

Keywords

Comments

Fixed points of permutations A069767 and A069768.

Crossrefs

a(n) = A057117(A083942(n)). Also iterates of A080298, i.e., a(1)=A080298(0), a(2)=A080298(A080298(0)), a(3)=A080298(A080298(A080298(0))), etc. Cf. also A083940, A080274.

Formula

a(n) = A080300(A084107(n)).

A080311 Orbit size of each tree encoded by A014486(n) under Meeussen's bf<->df map on binary trees.

Original entry on oeis.org

1, 1, 1, 1, 1, 1, 3, 3, 3, 1, 1, 3, 3, 3, 4, 3, 2, 4, 3, 4, 3, 2, 4, 1, 1, 3, 3, 3, 4, 3, 2, 4, 3, 4, 3, 2, 4, 16, 16, 8, 16, 8, 2, 2, 16, 16, 16, 8, 8, 8, 16, 16, 16, 16, 8, 8, 16, 8, 2, 2, 16, 16, 16, 16, 16, 1, 1, 3, 3, 3, 4, 3, 2, 4, 3, 4, 3, 2, 4, 16, 16, 8, 16, 8, 2, 2, 16, 16, 16, 8, 8, 8, 16
Offset: 0

Views

Author

Antti Karttunen, Mar 02 2003

Keywords

Comments

This is the size of the cycle containing n in the permutations A057117/A057118.

Crossrefs

Cf. A080967, A080273, A080274, A080297.

A080273 Orbit size of each tree A080263(n) under Meeussen's bf<->df map on binary trees.

Original entry on oeis.org

1, 3, 16, 1441, 41888, 3376173
Offset: 0

Views

Author

Antti Karttunen, Mar 02 2003

Keywords

Comments

This is the size of the cycle containing A080265(n) in the permutations A057117/A057118.

Crossrefs

Cf. A080274, A080297.

Formula

a(n) = A080311(A080265(n)).

A080297 Orbit size of each tree A080293(n) under Meeussen's bf<->df map on binary trees.

Original entry on oeis.org

1, 3, 202, 41888
Offset: 0

Views

Author

Antti Karttunen, Mar 02 2003

Keywords

Comments

This is the size of the cycle containing A080295(n) in the permutations A057117/A057118.

Crossrefs

Cf. A080273, A080274.

Formula

a(n) = A080311(A080295(n)).
Showing 1-4 of 4 results.

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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