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.

A214389 Number of 7X7X7 triangular 0..n arrays with no element lying outside the (possibly reversed) range delimited by its sw and se neighbors, and no element equal to its horizontal neighbors.

Table of values

n a(n)
1 128
2 5247716
3 3183854216
4 405643523920
5 21313909250888
6 623154633711990
7 11944886965820440
8 166092394781968922
9 1792145757381897992

List of values

[128, 5247716, 3183854216, 405643523920, 21313909250888, 623154633711990, 11944886965820440, 166092394781968922, 1792145757381897992]

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

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