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.

A209465 T(n,k)=Number of nXk 0..6 arrays with every 2X2 subblock containing exactly one value repeat, and new values 0..6 introduced in row major order.

Table of values

n a(n)
1 1
2 2
3 2
4 5
5 6
6 5
7 15
8 57
9 57
10 15
11 52
12 700
13 2027
14 700
15 52
16 203
17 10676
18 107472
19 107472
20 10676
21 203
22 877
23 192994
24 7487423
25 26142922
26 7487423
27 192994
28 877
29 4139
30 3966581
31 613535578
32 8012278798
33 8012278798
34 613535578
35 3966581
36 4139
37 21110
38 89157292

List of values

[1, 2, 2, 5, 6, 5, 15, 57, 57, 15, 52, 700, 2027, 700, 52, 203, 10676, 107472, 107472, 10676, 203, 877, 192994, 7487423, 26142922, 7487423, 192994, 877, 4139, 3966581, 613535578, 8012278798, 8012278798, 613535578, 3966581, 4139, 21110, 89157292]

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

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