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.

A372758 5th prepended column of the 3-Zeckendorf array (A136189).

Original entry on oeis.org

1, 2, 2, 2, 3, 4, 4, 5, 5, 5, 6, 6, 6, 7, 8, 8, 8, 9, 10, 10, 11, 11, 11, 12, 13, 13, 14, 14, 14, 15, 15, 15, 16, 17, 17, 18, 18, 18, 19, 19, 19, 20, 21, 21, 21, 22, 23, 23, 24, 24, 24, 25, 25, 25, 26, 27, 27, 27, 28, 29, 29, 30, 30, 30, 31, 32, 32, 33, 33, 33
Offset: 1

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Author

A.H.M. Smeets, May 12 2024

Keywords

Comments

The 3-Zeckendorf array (A136189) is based on the Narayana (Narayana's cow sequence A000930) weighted representation of n (see A350215).

Crossrefs

The k-th row: A000930(n+2) (k=1), A372760 (k=2).
The k-th column: A020942 (k=1), A064105 (k=2), A064106 (k=3), A372749 (k=4), A372750 (k=5), A372752 (k=6), A372756 (k=7), A372757 (k=8).
The k-th prepended column: A005374 (k=1), A136495 (k=2), A023443 (k=3), A202342 (k=4), this sequence (k=5), A372759 (k=6).

Formula

a(n) = A005374(A005374(n-1)) + 1. - Alan Michael Gómez Calderón, Jan 08 2025