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.

A233238 Number of nX7 0..5 arrays with no element x(i,j) adjacent to value 5-x(i,j) horizontally, diagonally or antidiagonally, top left element zero, and 1 appearing before 2 3 and 4, and 2 appearing before 3 in row major order.

Table of values

n a(n)
1 2136
2 25622596
3 347931872810
4 4737126288340919
5 64509967001742933388
6 878515500504975619593232
7 11963921132630138069523033663
8 162928803282037857377835121784933
9 2218820778125412343542517310100092932

List of values

[2136, 25622596, 347931872810, 4737126288340919, 64509967001742933388, 878515500504975619593232, 11963921132630138069523033663, 162928803282037857377835121784933, 2218820778125412343542517310100092932]

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

Content is available under The OEIS End-User License Agreement.