A227690 - cp's OEIS frontend

A227690 Number A(n,k) of tilings of a k X n rectangle using integer-sided square tiles reduced for symmetry; square array A(n,k), n >= 0, k >= 0, read by antidiagonals.

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	1
9	1
10	1
11	1
12	2
13	1
14	1
15	1
16	1
17	2
18	2
19	1
20	1
21	1
22	1
23	4
24	3
25	4
26	1
27	1
28	1
29	1
30	5
31	6
32	6
33	5
34	1
35	1
36	1
37	1
38	9
39	10
40	13
41	10
42	9
43	1
44	1
45	1
46	1
47	12
48	21
49	39
50	39
51	21
52	12
53	1
54	1
55	1
56	1
57	21
58	39
59	115
60	77
61	115
62	39
63	21
64	1
65	1
66	1
67	1
68	30
69	82
70	295
71	521
72	521
73	295
74	82
75	30
76	1
77	1

[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 2, 2, 1, 1, 1, 1, 4, 3, 4, 1, 1, 1, 1, 5, 6, 6, 5, 1, 1, 1, 1, 9, 10, 13, 10, 9, 1, 1, 1, 1, 12, 21, 39, 39, 21, 12, 1, 1, 1, 1, 21, 39, 115, 77, 115, 39, 21, 1, 1, 1, 1, 30, 82, 295, 521, 521, 295, 82, 30, 1, 1]

cp's OEIS Frontend

A227690 Number A(n,k) of tilings of a k X n rectangle using integer-sided square tiles reduced for symmetry; 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	1
5	1
6	1
7	1
8	1
9	1
10	1
11	1
12	2
13	1
14	1
15	1
16	1
17	2
18	2
19	1
20	1
21	1
22	1
23	4
24	3
25	4
26	1
27	1
28	1
29	1
30	5
31	6
32	6
33	5
34	1
35	1
36	1
37	1
38	9
39	10
40	13
41	10
42	9
43	1
44	1
45	1
46	1
47	12
48	21
49	39
50	39
51	21
52	12
53	1
54	1
55	1
56	1
57	21
58	39
59	115
60	77
61	115
62	39
63	21
64	1
65	1
66	1
67	1
68	30
69	82
70	295
71	521
72	521
73	295
74	82
75	30
76	1
77	1

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	1
9	1
10	1
11	1
12	2
13	1
14	1
15	1
16	1
17	2
18	2
19	1
20	1
21	1
22	1
23	4
24	3
25	4
26	1
27	1
28	1
29	1
30	5
31	6
32	6
33	5
34	1
35	1
36	1
37	1
38	9
39	10
40	13
41	10
42	9
43	1
44	1
45	1
46	1
47	12
48	21
49	39
50	39
51	21
52	12
53	1
54	1
55	1
56	1
57	21
58	39
59	115
60	77
61	115
62	39
63	21
64	1
65	1
66	1
67	1
68	30
69	82
70	295
71	521
72	521
73	295
74	82
75	30
76	1
77	1

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	1
9	1
10	1
11	1
12	2
13	1
14	1
15	1
16	1
17	2
18	2
19	1
20	1
21	1
22	1
23	4
24	3
25	4
26	1
27	1
28	1
29	1
30	5
31	6
32	6
33	5
34	1
35	1
36	1
37	1
38	9
39	10
40	13
41	10
42	9
43	1
44	1
45	1
46	1
47	12
48	21
49	39
50	39
51	21
52	12
53	1
54	1
55	1
56	1
57	21
58	39
59	115
60	77
61	115
62	39
63	21
64	1
65	1
66	1
67	1
68	30
69	82
70	295
71	521
72	521
73	295
74	82
75	30
76	1
77	1