A366409 - cp's OEIS frontend

A366409 Number of smooth convex lattice polygons with area n/2.

n	a(n)
1	1
2	1
3	1
4	3
5	2
6	4
7	4
8	6
9	5
10	7
11	7
12	9
13	7
14	12
15	12
16	15
17	9
18	15
19	16
20	18
21	13
22	23
23	21
24	24
25	19
26	26
27	25
28	30
29	22
30	39
31	34
32	34
33	27
34	46
35	42
36	41
37	35
38	60
39	53
40	56
41	41
42	63
43	61
44	62
45	61
46	91
47	66
48	72
49	78
50	111
51	87
52	86
53	83
54	135
55	123
56	111
57	97
58	142
59	135
60	156
61	146
62	176
63	148
64	186
65	194
66	206
67	169
68	200
69	242
70	313

[1, 1, 1, 3, 2, 4, 4, 6, 5, 7, 7, 9, 7, 12, 12, 15, 9, 15, 16, 18, 13, 23, 21, 24, 19, 26, 25, 30, 22, 39, 34, 34, 27, 46, 42, 41, 35, 60, 53, 56, 41, 63, 61, 62, 61, 91, 66, 72, 78, 111, 87, 86, 83, 135, 123, 111, 97, 142, 135, 156, 146, 176, 148, 186, 194, 206, 169, 200, 242, 313]

cp's OEIS Frontend

A366409 Number of smooth convex lattice polygons with area n/2.

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	3
5	2
6	4
7	4
8	6
9	5
10	7
11	7
12	9
13	7
14	12
15	12
16	15
17	9
18	15
19	16
20	18
21	13
22	23
23	21
24	24
25	19
26	26
27	25
28	30
29	22
30	39
31	34
32	34
33	27
34	46
35	42
36	41
37	35
38	60
39	53
40	56
41	41
42	63
43	61
44	62
45	61
46	91
47	66
48	72
49	78
50	111
51	87
52	86
53	83
54	135
55	123
56	111
57	97
58	142
59	135
60	156
61	146
62	176
63	148
64	186
65	194
66	206
67	169
68	200
69	242
70	313

n	a(n)
1	1
2	1
3	1
4	3
5	2
6	4
7	4
8	6
9	5
10	7
11	7
12	9
13	7
14	12
15	12
16	15
17	9
18	15
19	16
20	18
21	13
22	23
23	21
24	24
25	19
26	26
27	25
28	30
29	22
30	39
31	34
32	34
33	27
34	46
35	42
36	41
37	35
38	60
39	53
40	56
41	41
42	63
43	61
44	62
45	61
46	91
47	66
48	72
49	78
50	111
51	87
52	86
53	83
54	135
55	123
56	111
57	97
58	142
59	135
60	156
61	146
62	176
63	148
64	186
65	194
66	206
67	169
68	200
69	242
70	313

n	a(n)
1	1
2	1
3	1
4	3
5	2
6	4
7	4
8	6
9	5
10	7
11	7
12	9
13	7
14	12
15	12
16	15
17	9
18	15
19	16
20	18
21	13
22	23
23	21
24	24
25	19
26	26
27	25
28	30
29	22
30	39
31	34
32	34
33	27
34	46
35	42
36	41
37	35
38	60
39	53
40	56
41	41
42	63
43	61
44	62
45	61
46	91
47	66
48	72
49	78
50	111
51	87
52	86
53	83
54	135
55	123
56	111
57	97
58	142
59	135
60	156
61	146
62	176
63	148
64	186
65	194
66	206
67	169
68	200
69	242
70	313