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.

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A355910 Number of nodes at level n in the tree T_{-2}.

Original entry on oeis.org

1, 1, 1, 2, 3, 4, 6, 9, 14, 21, 31, 47, 71, 106, 159, 239, 358, 537, 806, 1209, 1813, 2719, 4079, 6119
Offset: 0

Views

Author

N. J. A. Sloane, Sep 19 2022

Keywords

Comments

First differences of A355909.

Links

Crossrefs

Cf. A355904-A355909, A355911-A355913.

A355912 Negasemiternary (or NST) representation of the unit ambinumber (0,1).

Original entry on oeis.org

1, 2, 1, 1, 2, 2, 0, 0, 1, 1, 2, 1, 2, 1, 2, 0, 1, 0, 0, 2, 0, 2, 0, 1, 2, 1, 2, 2, 0, 0, 2, 0, 2, 0, 0, 0, 1, 2, 2, 1, 2, 0, 1, 2, 0, 0, 0, 2, 0, 2, 0, 2, 2, 0, 2, 2, 2, 2, 1, 0, 1, 2, 2, 2, 0, 0, 2, 1, 0, 1, 1, 1, 1, 0, 1, 1
Offset: 1

Views

Author

N. J. A. Sloane, Sep 19 2022

Keywords

Examples

			(0, 1) = 1.21122 00112 12120 10020 20121 22002 ...

Links

Crossrefs

Cf. A355904-A355911, A355913.
Showing 1-2 of 2 results.

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

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