A353963 - cp's OEIS frontend

A353963 Triangle read by rows: T(n,k) = number of tilings of a n X k rectangle using 2 X 2 and 1 X 1 tiles and right trominoes, n >= 0, k=0..n.

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	6
6	1
7	1
8	13
9	47
10	1
11	1
12	45
13	259
14	3376
15	1
16	1
17	122
18	1189
19	29683
20	475962
21	1
22	1
23	373
24	5877
25	311894
26	9250945
27	355724934
28	1
29	1
30	1073
31	28167
32	3015423
33	164776003
34	12126673297
35	777719132265
36	1
37	1
38	3182
39	136723
40	30295051
41	3051272172
42	436744432876
43	53090133270415
44	6953251175836902

[1, 1, 1, 1, 1, 6, 1, 1, 13, 47, 1, 1, 45, 259, 3376, 1, 1, 122, 1189, 29683, 475962, 1, 1, 373, 5877, 311894, 9250945, 355724934, 1, 1, 1073, 28167, 3015423, 164776003, 12126673297, 777719132265, 1, 1, 3182, 136723, 30295051, 3051272172, 436744432876, 53090133270415, 6953251175836902]

cp's OEIS Frontend

A353963 Triangle read by rows: T(n,k) = number of tilings of a n X k rectangle using 2 X 2 and 1 X 1 tiles and right trominoes, n >= 0, k=0..n.

Table of values

List of values