A338671 - cp's OEIS frontend

A338671 a(n) is the number of distinct ways of arranging n identical square tiles into two rectangles.

n	a(n)
1	0
2	1
3	1
4	2
5	3
6	4
7	5
8	7
9	7
10	10
11	10
12	13
13	14
14	16
15	16
16	21
17	20
18	25
19	24
20	29
21	28
22	34
23	30
24	40
25	36
26	43
27	40
28	50
29	44
30	55
31	49
32	60
33	55
34	66
35	55
36	75
37	64
38	75
39	70
40	86
41	72
42	92
43	77
44	97
45	87
46	103
47	84
48	116
49	94
50	114
51	104
52	126
53	102
54	135
55	109
56	138
57	123
58	143
59	117
60	164
61	128
62	153
63	138
64	171

[0, 1, 1, 2, 3, 4, 5, 7, 7, 10, 10, 13, 14, 16, 16, 21, 20, 25, 24, 29, 28, 34, 30, 40, 36, 43, 40, 50, 44, 55, 49, 60, 55, 66, 55, 75, 64, 75, 70, 86, 72, 92, 77, 97, 87, 103, 84, 116, 94, 114, 104, 126, 102, 135, 109, 138, 123, 143, 117, 164, 128, 153, 138, 171]

cp's OEIS Frontend

A338671 a(n) is the number of distinct ways of arranging n identical square tiles into two rectangles.

Table of values

List of values

n	a(n)
1	0
2	1
3	1
4	2
5	3
6	4
7	5
8	7
9	7
10	10
11	10
12	13
13	14
14	16
15	16
16	21
17	20
18	25
19	24
20	29
21	28
22	34
23	30
24	40
25	36
26	43
27	40
28	50
29	44
30	55
31	49
32	60
33	55
34	66
35	55
36	75
37	64
38	75
39	70
40	86
41	72
42	92
43	77
44	97
45	87
46	103
47	84
48	116
49	94
50	114
51	104
52	126
53	102
54	135
55	109
56	138
57	123
58	143
59	117
60	164
61	128
62	153
63	138
64	171

n	a(n)
1	0
2	1
3	1
4	2
5	3
6	4
7	5
8	7
9	7
10	10
11	10
12	13
13	14
14	16
15	16
16	21
17	20
18	25
19	24
20	29
21	28
22	34
23	30
24	40
25	36
26	43
27	40
28	50
29	44
30	55
31	49
32	60
33	55
34	66
35	55
36	75
37	64
38	75
39	70
40	86
41	72
42	92
43	77
44	97
45	87
46	103
47	84
48	116
49	94
50	114
51	104
52	126
53	102
54	135
55	109
56	138
57	123
58	143
59	117
60	164
61	128
62	153
63	138
64	171

n	a(n)
1	0
2	1
3	1
4	2
5	3
6	4
7	5
8	7
9	7
10	10
11	10
12	13
13	14
14	16
15	16
16	21
17	20
18	25
19	24
20	29
21	28
22	34
23	30
24	40
25	36
26	43
27	40
28	50
29	44
30	55
31	49
32	60
33	55
34	66
35	55
36	75
37	64
38	75
39	70
40	86
41	72
42	92
43	77
44	97
45	87
46	103
47	84
48	116
49	94
50	114
51	104
52	126
53	102
54	135
55	109
56	138
57	123
58	143
59	117
60	164
61	128
62	153
63	138
64	171