A368258 - cp's OEIS frontend

A368258 Table read by downward antidiagonals: T(n,k) is the number of tilings of the n X k cylinder up to horizontal reflections by two tiles that are each fixed under horizontal reflection.

n	a(n)
1	2
2	4
3	3
4	8
5	10
6	4
7	16
8	36
9	20
10	6
11	32
12	136
13	120
14	55
15	8
16	64
17	528
18	816
19	666
20	136
21	13
22	128
23	2080
24	5984
25	9316
26	3536
27	430
28	18
29	256
30	8256
31	45760
32	139656
33	106912
34	23052
35	1300
36	30
37	512
38	32896
39	357760
40	2164240
41	3371840
42	1415896
43	151848
44	4435
45	46

[2, 4, 3, 8, 10, 4, 16, 36, 20, 6, 32, 136, 120, 55, 8, 64, 528, 816, 666, 136, 13, 128, 2080, 5984, 9316, 3536, 430, 18, 256, 8256, 45760, 139656, 106912, 23052, 1300, 30, 512, 32896, 357760, 2164240, 3371840, 1415896, 151848, 4435, 46]

cp's OEIS Frontend

A368258 Table read by downward antidiagonals: T(n,k) is the number of tilings of the n X k cylinder up to horizontal reflections by two tiles that are each fixed under horizontal reflection.

Table of values

List of values