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.

A233229 Number of nX7 0..5 arrays with no element x(i,j) adjacent to value 5-x(i,j) horizontally, diagonally, antidiagonally or vertically, 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 9757236
3 59679029456
4 366805442634477
5 2262465262533395122
6 13966565723905519312347
7 86240738075580821512843673
8 532562944711463255634918419168
9 3288824486303682666484477919564597

List of values

[2136, 9757236, 59679029456, 366805442634477, 2262465262533395122, 13966565723905519312347, 86240738075580821512843673, 532562944711463255634918419168, 3288824486303682666484477919564597]

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

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