A245185 - cp's OEIS frontend

A245185 Triangle read by rows: T(n,k) = number of pseudo-square parallelogram (psp) polyominoes with semiperimeter n+1 and k columns.

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	2
9	2
10	1
11	1
12	2
13	5
14	2
15	1
16	1
17	3
18	7
19	7
20	3
21	1
22	1
23	3
24	11
25	15
26	11
27	3
28	1
29	1
30	4
31	15
32	25
33	25
34	15
35	4
36	1
37	1
38	4
39	20
40	41
41	52
42	41
43	20
44	4
45	1
46	1
47	5
48	25
49	62
50	92
51	92
52	62
53	25
54	5
55	1
56	1
57	5
58	32
59	89
60	159
61	179
62	159
63	89
64	32
65	5
66	1
67	1
68	6
69	38
70	122
71	249
72	342
73	342
74	249
75	122
76	38
77	6
78	1

[1, 1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 2, 5, 2, 1, 1, 3, 7, 7, 3, 1, 1, 3, 11, 15, 11, 3, 1, 1, 4, 15, 25, 25, 15, 4, 1, 1, 4, 20, 41, 52, 41, 20, 4, 1, 1, 5, 25, 62, 92, 92, 62, 25, 5, 1, 1, 5, 32, 89, 159, 179, 159, 89, 32, 5, 1, 1, 6, 38, 122, 249, 342, 342, 249, 122, 38, 6, 1]

cp's OEIS Frontend

A245185 Triangle read by rows: T(n,k) = number of pseudo-square parallelogram (psp) polyominoes with semiperimeter n+1 and k columns.

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	2
9	2
10	1
11	1
12	2
13	5
14	2
15	1
16	1
17	3
18	7
19	7
20	3
21	1
22	1
23	3
24	11
25	15
26	11
27	3
28	1
29	1
30	4
31	15
32	25
33	25
34	15
35	4
36	1
37	1
38	4
39	20
40	41
41	52
42	41
43	20
44	4
45	1
46	1
47	5
48	25
49	62
50	92
51	92
52	62
53	25
54	5
55	1
56	1
57	5
58	32
59	89
60	159
61	179
62	159
63	89
64	32
65	5
66	1
67	1
68	6
69	38
70	122
71	249
72	342
73	342
74	249
75	122
76	38
77	6
78	1

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	2
9	2
10	1
11	1
12	2
13	5
14	2
15	1
16	1
17	3
18	7
19	7
20	3
21	1
22	1
23	3
24	11
25	15
26	11
27	3
28	1
29	1
30	4
31	15
32	25
33	25
34	15
35	4
36	1
37	1
38	4
39	20
40	41
41	52
42	41
43	20
44	4
45	1
46	1
47	5
48	25
49	62
50	92
51	92
52	62
53	25
54	5
55	1
56	1
57	5
58	32
59	89
60	159
61	179
62	159
63	89
64	32
65	5
66	1
67	1
68	6
69	38
70	122
71	249
72	342
73	342
74	249
75	122
76	38
77	6
78	1

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	2
9	2
10	1
11	1
12	2
13	5
14	2
15	1
16	1
17	3
18	7
19	7
20	3
21	1
22	1
23	3
24	11
25	15
26	11
27	3
28	1
29	1
30	4
31	15
32	25
33	25
34	15
35	4
36	1
37	1
38	4
39	20
40	41
41	52
42	41
43	20
44	4
45	1
46	1
47	5
48	25
49	62
50	92
51	92
52	62
53	25
54	5
55	1
56	1
57	5
58	32
59	89
60	159
61	179
62	159
63	89
64	32
65	5
66	1
67	1
68	6
69	38
70	122
71	249
72	342
73	342
74	249
75	122
76	38
77	6
78	1