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.

A308437 Triangle read by rows: T(n,k) = number of ways, summed over the free n-ominoes, that an n-omino with an assigned orientation can be maximally (partially) covered by k X 1 tiles.

Table of values

n a(n)
1 1
2 1
3 1
4 2
5 4
6 1
7 5
8 8
9 4
10 1
11 12
12 35
13 18
14 4
15 1
16 35
17 89
18 61
19 22
20 5
21 1
22 108
23 425
24 206
25 97
26 28
27 5
28 1
29 369
30 1438
31 739
32 436
33 141
34 36
35 6
36 1
37 1285
38 6818
39 3008
40 1853
41 687
42 193
43 44
44 6
45 1
46 4655
47 27713
48 12823
49 7668
50 3233
51 1039
52 268
53 54
54 7
55 1
56 17073
57 125830
58 51619
59 30902
60 14731
61 5164
62 1518
63 351
64 64
65 7
66 1

List of values

[1, 1, 1, 2, 4, 1, 5, 8, 4, 1, 12, 35, 18, 4, 1, 35, 89, 61, 22, 5, 1, 108, 425, 206, 97, 28, 5, 1, 369, 1438, 739, 436, 141, 36, 6, 1, 1285, 6818, 3008, 1853, 687, 193, 44, 6, 1, 4655, 27713, 12823, 7668, 3233, 1039, 268, 54, 7, 1, 17073, 125830, 51619, 30902, 14731, 5164, 1518, 351, 64, 7, 1]