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.

A229696 Number of defective 3-colorings of a 3 X n 0..2 array connected horizontally and antidiagonally with exactly two mistakes, and colors introduced in row-major 0..2 order.

Table of values

n a(n)
1 0
2 40
3 626
4 5077
5 35825
6 230383
7 1400413
8 8184819
9 46455457
10 257724695
11 1403839397
12 7532391243
13 39908047865
14 209177764015
15 1086276818845
16 5595663437379
17 28620024582289
18 145460267764487
19 735134318022101

List of values

[0, 40, 626, 5077, 35825, 230383, 1400413, 8184819, 46455457, 257724695, 1403839397, 7532391243, 39908047865, 209177764015, 1086276818845, 5595663437379, 28620024582289, 145460267764487, 735134318022101]

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

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