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.

A233164 Number of n X 4 0..7 arrays with no element x(i,j) adjacent to itself or value 7-x(i,j) horizontally, diagonally, antidiagonally or vertically, top left element zero, and 1 appearing before 2 3 4 5 and 6, 2 appearing before 3 4 and 5, and 3 appearing before 4 in row major order (unlabelled 8-colorings with no clashing color pairs).

Table of values

n a(n)
1 11
2 64
3 1280
4 28672
5 720896
6 19922944
7 587202560
8 17985175552
9 562640715776
10 17798344474624
11 566248488304640
12 18067175067615232
13 577305177233555456
14 18460254872591663104
15 590511983140819435520
16 18892924695992401395712

List of values

[11, 64, 1280, 28672, 720896, 19922944, 587202560, 17985175552, 562640715776, 17798344474624, 566248488304640, 18067175067615232, 577305177233555456, 18460254872591663104, 590511983140819435520, 18892924695992401395712]

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

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