A219946 - cp's OEIS frontend

A219946 Number A(n,k) of tilings of a k X n rectangle using right trominoes and 2 X 2 tiles; square array A(n,k), n>=0, k>=0, read by antidiagonals.

n	a(n)
0	1
1	1
2	1
3	1
4	0
5	1
6	1
7	0
8	0
9	1
10	1
11	0
12	1
13	0
14	1
15	1
16	0
17	2
18	2
19	0
20	1
21	1
22	0
23	1
24	0
25	1
26	0
27	1
28	1
29	0
30	4
31	4
32	4
33	4
34	0
35	1
36	1
37	0
38	5
39	0
40	6
41	0
42	5
43	0
44	1
45	1
46	0
47	6
48	8
49	16
50	16
51	8
52	6
53	0
54	1
55	1
56	0
57	13
58	0
59	37
60	0
61	37
62	0
63	13
64	0
65	1
66	1
67	0
68	16
69	16
70	92
71	136
72	136
73	92
74	16
75	16
76	0
77	1
78	1
79	0
80	25
81	0
82	245
83	0
84	545
85	0
86	245
87	0
88	25
89	0
90	1

[1, 1, 1, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 1, 1, 0, 2, 2, 0, 1, 1, 0, 1, 0, 1, 0, 1, 1, 0, 4, 4, 4, 4, 0, 1, 1, 0, 5, 0, 6, 0, 5, 0, 1, 1, 0, 6, 8, 16, 16, 8, 6, 0, 1, 1, 0, 13, 0, 37, 0, 37, 0, 13, 0, 1, 1, 0, 16, 16, 92, 136, 136, 92, 16, 16, 0, 1, 1, 0, 25, 0, 245, 0, 545, 0, 245, 0, 25, 0, 1]

cp's OEIS Frontend

A219946 Number A(n,k) of tilings of a k X n rectangle using right trominoes and 2 X 2 tiles; square array A(n,k), n>=0, k>=0, read by antidiagonals.

Table of values

List of values

n	a(n)
0	1
1	1
2	1
3	1
4	0
5	1
6	1
7	0
8	0
9	1
10	1
11	0
12	1
13	0
14	1
15	1
16	0
17	2
18	2
19	0
20	1
21	1
22	0
23	1
24	0
25	1
26	0
27	1
28	1
29	0
30	4
31	4
32	4
33	4
34	0
35	1
36	1
37	0
38	5
39	0
40	6
41	0
42	5
43	0
44	1
45	1
46	0
47	6
48	8
49	16
50	16
51	8
52	6
53	0
54	1
55	1
56	0
57	13
58	0
59	37
60	0
61	37
62	0
63	13
64	0
65	1
66	1
67	0
68	16
69	16
70	92
71	136
72	136
73	92
74	16
75	16
76	0
77	1
78	1
79	0
80	25
81	0
82	245
83	0
84	545
85	0
86	245
87	0
88	25
89	0
90	1

n	a(n)
0	1
1	1
2	1
3	1
4	0
5	1
6	1
7	0
8	0
9	1
10	1
11	0
12	1
13	0
14	1
15	1
16	0
17	2
18	2
19	0
20	1
21	1
22	0
23	1
24	0
25	1
26	0
27	1
28	1
29	0
30	4
31	4
32	4
33	4
34	0
35	1
36	1
37	0
38	5
39	0
40	6
41	0
42	5
43	0
44	1
45	1
46	0
47	6
48	8
49	16
50	16
51	8
52	6
53	0
54	1
55	1
56	0
57	13
58	0
59	37
60	0
61	37
62	0
63	13
64	0
65	1
66	1
67	0
68	16
69	16
70	92
71	136
72	136
73	92
74	16
75	16
76	0
77	1
78	1
79	0
80	25
81	0
82	245
83	0
84	545
85	0
86	245
87	0
88	25
89	0
90	1

n	a(n)
0	1
1	1
2	1
3	1
4	0
5	1
6	1
7	0
8	0
9	1
10	1
11	0
12	1
13	0
14	1
15	1
16	0
17	2
18	2
19	0
20	1
21	1
22	0
23	1
24	0
25	1
26	0
27	1
28	1
29	0
30	4
31	4
32	4
33	4
34	0
35	1
36	1
37	0
38	5
39	0
40	6
41	0
42	5
43	0
44	1
45	1
46	0
47	6
48	8
49	16
50	16
51	8
52	6
53	0
54	1
55	1
56	0
57	13
58	0
59	37
60	0
61	37
62	0
63	13
64	0
65	1
66	1
67	0
68	16
69	16
70	92
71	136
72	136
73	92
74	16
75	16
76	0
77	1
78	1
79	0
80	25
81	0
82	245
83	0
84	545
85	0
86	245
87	0
88	25
89	0
90	1