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.

A280362 T(n,k)=Number of nXk 0..2 arrays with no element equal to more than one of its horizontal and vertical neighbors and with new values introduced in order 0 sequentially upwards.

Table of values

n a(n)
1 1
2 2
3 2
4 4
5 9
6 4
7 11
8 50
9 50
10 11
11 30
12 285
13 571
14 285
15 30
16 82
17 1617
18 6727
19 6727
20 1617
21 82
22 224
23 9188
24 78800
25 164326
26 78800
27 9188
28 224
29 612
30 52193
31 924579
32 3992071
33 3992071
34 924579
35 52193
36 612
37 1672
38 296511
39 10844773
40 97147710
41 201054068
42 97147710

List of values

[1, 2, 2, 4, 9, 4, 11, 50, 50, 11, 30, 285, 571, 285, 30, 82, 1617, 6727, 6727, 1617, 82, 224, 9188, 78800, 164326, 78800, 9188, 224, 612, 52193, 924579, 3992071, 3992071, 924579, 52193, 612, 1672, 296511, 10844773, 97147710, 201054068, 97147710]