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.

A229678 Number of defective 3-colorings of an n X n 0..2 array connected diagonally and antidiagonally with exactly two mistakes, and colors introduced in row-major 0..2 order.

Table of values

n a(n)
1 0
2 2
3 888
4 186576
5 58038768
6 33555543408
7 39647663129952
8 100358466494032656
9 559874175467657854896
10 7007180500895781669589584

List of values

[0, 2, 888, 186576, 58038768, 33555543408, 39647663129952, 100358466494032656, 559874175467657854896, 7007180500895781669589584]

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

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