A068921 - cp's OEIS frontend

A068921 Number of ways to tile a 2 X n room with 1 X 2 Tatami mats. At most 3 Tatami mats may meet at a point.

n	a(n)
0	1
1	1
2	2
3	3
4	4
5	6
6	9
7	13
8	19
9	28
10	41
11	60
12	88
13	129
14	189
15	277
16	406
17	595
18	872
19	1278
20	1873
21	2745
22	4023
23	5896
24	8641
25	12664
26	18560
27	27201
28	39865
29	58425
30	85626
31	125491
32	183916
33	269542
34	395033
35	578949
36	848491
37	1243524
38	1822473
39	2670964
40	3914488
41	5736961

[1, 1, 2, 3, 4, 6, 9, 13, 19, 28, 41, 60, 88, 129, 189, 277, 406, 595, 872, 1278, 1873, 2745, 4023, 5896, 8641, 12664, 18560, 27201, 39865, 58425, 85626, 125491, 183916, 269542, 395033, 578949, 848491, 1243524, 1822473, 2670964, 3914488, 5736961]

cp's OEIS Frontend

A068921 Number of ways to tile a 2 X n room with 1 X 2 Tatami mats. At most 3 Tatami mats may meet at a point.

Table of values

List of values