A368262 - cp's OEIS frontend

A368262 Table read by downward antidiagonals: T(n,k) is the number of tilings of the n X k cylinder up to 180-degree rotation by two tiles that are each fixed under 180-degree rotation.

n	a(n)
1	2
2	3
3	3
4	6
5	7
6	4
7	10
8	24
9	16
10	6
11	20
12	76
13	104
14	43
15	8
16	36
17	288
18	720
19	570
20	120
21	13
22	72
23	1072
24	5600
25	8356
26	3408
27	382
28	18
29	136
30	4224
31	43968
32	131976
33	105376
34	22284
35	1236
36	30
37	272
38	16576
39	350592
40	2099728
41	3359552
42	1400536
43	150824
44	4243
45	46

[2, 3, 3, 6, 7, 4, 10, 24, 16, 6, 20, 76, 104, 43, 8, 36, 288, 720, 570, 120, 13, 72, 1072, 5600, 8356, 3408, 382, 18, 136, 4224, 43968, 131976, 105376, 22284, 1236, 30, 272, 16576, 350592, 2099728, 3359552, 1400536, 150824, 4243, 46]

cp's OEIS Frontend

A368262 Table read by downward antidiagonals: T(n,k) is the number of tilings of the n X k cylinder up to 180-degree rotation by two tiles that are each fixed under 180-degree rotation.

Table of values

List of values