A068930 - cp's OEIS frontend

A068930 Number of incongruent ways to tile a 5 X 2n room with 1x2 Tatami mats. At most 3 Tatami mats may meet at a point.

n	a(n)
1	4
2	2
3	1
4	1
5	1
6	2
7	2
8	3
9	3
10	5
11	5
12	8
13	9
14	13
15	15
16	22
17	26
18	37
19	45
20	63
21	78
22	108
23	136
24	186
25	237
26	322
27	414
28	559
29	724
30	973
31	1267
32	1697
33	2219
34	2964
35	3888
36	5183
37	6815
38	9071
39	11949
40	15886
41	20955
42	27835
43	36755
44	48790
45	64476
46	85545
47	113115
48	150021
49	198460
50	263136

[4, 2, 1, 1, 1, 2, 2, 3, 3, 5, 5, 8, 9, 13, 15, 22, 26, 37, 45, 63, 78, 108, 136, 186, 237, 322, 414, 559, 724, 973, 1267, 1697, 2219, 2964, 3888, 5183, 6815, 9071, 11949, 15886, 20955, 27835, 36755, 48790, 64476, 85545, 113115, 150021, 198460, 263136]

cp's OEIS Frontend

A068930 Number of incongruent ways to tile a 5 X 2n room with 1x2 Tatami mats. At most 3 Tatami mats may meet at a point.

Table of values

List of values