A054346 - cp's OEIS frontend

A054346 Number of inequivalent sublattices of index n in square lattice, where two sublattices are considered equivalent if one can be rotated or reflected to give the other.

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

[1, 1, 2, 2, 4, 3, 5, 3, 7, 5, 7, 4, 11, 5, 8, 8, 12, 6, 13, 6, 15, 10, 11, 7, 21, 9, 13, 12, 18, 9, 21, 9, 21, 14, 16, 13, 29, 11, 17, 16, 28, 12, 28, 12, 25, 21, 20, 13, 39, 16, 24, 20, 29, 15, 34, 18, 36, 22, 25, 16, 47, 17, 26, 29, 38, 21, 40, 18, 36, 26, 36, 19, 58, 20]

cp's OEIS Frontend

A054346 Number of inequivalent sublattices of index n in square lattice, where two sublattices are considered equivalent if one can be rotated or reflected to give the other.

Table of values

List of values

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

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

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