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 1-3 of 3 results.

A089409 Even-indexed terms of A089413.

Original entry on oeis.org

1, 1, 2, 4, 5, 11, 11, 17, 22, 24, 36
Offset: 0

Views

Author

Antti Karttunen, Nov 29 2003

Keywords

A089416 Odd-indexed terms of A089413.

Original entry on oeis.org

1, 2, 4, 5, 11, 17, 21, 30, 52, 74
Offset: 0

Views

Author

Antti Karttunen, Nov 29 2003

Keywords

A089411 Number of cycles in range [A014137(n-1)..A014138(n-1)] of permutation A074683/A074684.

Original entry on oeis.org

1, 1, 1, 1, 3, 4, 4, 11, 9, 6, 8, 14, 14, 12, 14, 19, 17, 16, 24, 26, 30
Offset: 0

Views

Author

Antti Karttunen, Nov 29 2003

Keywords

Comments

The number of orbits to which the corresponding automorphism(s) partitions the set of A000108(n) binary trees with n internal nodes. Does the non-monotone behavior continue indefinitely?

Links

Crossrefs

Cf. A089413, A089417.
Showing 1-3 of 3 results.

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

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