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.

A243608 Number T(n,k) of ways k L-tiles can be placed on an n X n square; triangle T(n,k), n>=0, 0<=k<=A229093(n), read by rows.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 1
5 4
6 1
7 1
8 9
9 20
10 11
11 1
12 1
13 16
14 87
15 196
16 176
17 46
18 2
19 1
20 25
21 244
22 1195
23 3145
24 4431
25 3161
26 1007
27 111
28 2
29 1
30 36
31 545
32 4544
33 22969
34 73098
35 147502
36 185744
37 140288
38 59140
39 12313
40 1046
41 26
42 1
43 49
44 1056
45 13215
46 106819
47 587149
48 2251309
49 6082000
50 11562155

List of values

[1, 1, 1, 1, 1, 4, 1, 1, 9, 20, 11, 1, 1, 16, 87, 196, 176, 46, 2, 1, 25, 244, 1195, 3145, 4431, 3161, 1007, 111, 2, 1, 36, 545, 4544, 22969, 73098, 147502, 185744, 140288, 59140, 12313, 1046, 26, 1, 49, 1056, 13215, 106819, 587149, 2251309, 6082000, 11562155]