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.

A248017 Table T(n,k), n>=1, k>=1, read by antidiagonals: T(n,k) = number of equivalence classes of ways of placing five 1 X 1 tiles in an n X k rectangle under all symmetry operations of the rectangle.

Table of values

n a(n)
1 0
2 0
3 0
4 0
5 0
6 0
7 0
8 2
9 2
10 0
11 1
12 14
13 39
14 14
15 1
16 3
17 66
18 208
19 208
20 66
21 3
22 12
23 198
24 794
25 1092
26 794
27 198
28 12
29 28
30 508
31 2196
32 3912
33 3912
34 2196
35 508
36 28
37 66
38 1092
39 5231
40 10626
41 13462
42 10626
43 5231
44 1092
45 66
46 126
47 2156
48 10808
49 24648
50 35787
51 35787
52 24648
53 10808
54 2156
55 126

List of values

[0, 0, 0, 0, 0, 0, 0, 2, 2, 0, 1, 14, 39, 14, 1, 3, 66, 208, 208, 66, 3, 12, 198, 794, 1092, 794, 198, 12, 28, 508, 2196, 3912, 3912, 2196, 508, 28, 66, 1092, 5231, 10626, 13462, 10626, 5231, 1092, 66, 126, 2156, 10808, 24648, 35787, 35787, 24648, 10808, 2156, 126]