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.

A368221 Table read by downward antidiagonals: T(n,k) is the number of tilings of the n X k grid up to horizontal reflection by two tiles that are each fixed under horizontal reflection.

Table of values

n a(n)
1 2
2 4
3 3
4 8
5 10
6 6
7 16
8 36
9 40
10 10
11 32
12 136
13 288
14 136
15 20
16 64
17 528
18 2176
19 2080
20 544
21 36
22 128
23 2080
24 16896
25 32896
26 16640
27 2080
28 72
29 256
30 8256
31 133120
32 524800
33 526336
34 131328
35 8320
36 136
37 512
38 32896
39 1056768
40 8390656
41 16793600
42 8390656
43 1050624
44 32896
45 272

List of values

[2, 4, 3, 8, 10, 6, 16, 36, 40, 10, 32, 136, 288, 136, 20, 64, 528, 2176, 2080, 544, 36, 128, 2080, 16896, 32896, 16640, 2080, 72, 256, 8256, 133120, 524800, 526336, 131328, 8320, 136, 512, 32896, 1056768, 8390656, 16793600, 8390656, 1050624, 32896, 272]