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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.

A258316 T(n,k)=Number of (n+1)X(k+1) 0..1 arrays with each 2X2 subblock having clockwise pattern 0000 or 0011.

Table of values

n a(n)
1 5
2 7
3 7
4 10
5 9
6 10
7 15
8 12
9 12
10 15
11 23
12 17
13 15
14 17
15 23
16 36
17 25
18 20
19 20
20 25
21 36
22 57
23 38
24 28
25 25
26 28
27 38
28 57
29 91
30 59
31 41
32 33
33 33
34 41
35 59
36 91
37 146
38 93
39 62
40 46
41 41
42 46
43 62
44 93
45 146
46 235
47 148
48 96
49 67
50 54
51 54
52 67
53 96
54 148
55 235
56 379
57 237
58 151
59 101
60 75
61 67
62 75
63 101
64 151
65 237
66 379
67 612

List of values

[5, 7, 7, 10, 9, 10, 15, 12, 12, 15, 23, 17, 15, 17, 23, 36, 25, 20, 20, 25, 36, 57, 38, 28, 25, 28, 38, 57, 91, 59, 41, 33, 33, 41, 59, 91, 146, 93, 62, 46, 41, 46, 62, 93, 146, 235, 148, 96, 67, 54, 54, 67, 96, 148, 235, 379, 237, 151, 101, 75, 67, 75, 101, 151, 237, 379, 612]

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

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