A352533 - cp's OEIS frontend

A352533 Irregular table read by rows: T(n,k) is the number of regions formed after k diagonals, with k>=0, are drawn between vertices of a regular n-gon, with n>=3, when each vertex is fully connected to all other vertices in counterclockwise order before the next vertex, in counterclockwise order, is chosen.

n	a(n)
3	1
4	1
5	2
6	4
7	1
8	2
9	3
10	5
11	8
12	11
13	1
14	2
15	3
16	4
17	6
18	9
19	13
20	16
21	20
22	24
23	1
24	2
25	3
26	4
27	5
28	7
29	10
30	14
31	19
32	22
33	27
34	34
35	38
36	45
37	50
38	1
39	2
40	3
41	4
42	5
43	6
44	8
45	11
46	15
47	20
48	26
49	29
50	34
51	39
52	46
53	50
54	56
55	62
56	67
57	74
58	80
59	1
60	2
61	3
62	4
63	5
64	6
65	7
66	9
67	12
68	16
69	21
70	27
71	34
72	37
73	42
74	49
75	58
76	69
77	73
78	80
79	90
80	103
81	108
82	117
83	130
84	136
85	147
86	154

[1, 1, 2, 4, 1, 2, 3, 5, 8, 11, 1, 2, 3, 4, 6, 9, 13, 16, 20, 24, 1, 2, 3, 4, 5, 7, 10, 14, 19, 22, 27, 34, 38, 45, 50, 1, 2, 3, 4, 5, 6, 8, 11, 15, 20, 26, 29, 34, 39, 46, 50, 56, 62, 67, 74, 80, 1, 2, 3, 4, 5, 6, 7, 9, 12, 16, 21, 27, 34, 37, 42, 49, 58, 69, 73, 80, 90, 103, 108, 117, 130, 136, 147, 154]

cp's OEIS Frontend

Table of values

List of values

n	a(n)
3	1
4	1
5	2
6	4
7	1
8	2
9	3
10	5
11	8
12	11
13	1
14	2
15	3
16	4
17	6
18	9
19	13
20	16
21	20
22	24
23	1
24	2
25	3
26	4
27	5
28	7
29	10
30	14
31	19
32	22
33	27
34	34
35	38
36	45
37	50
38	1
39	2
40	3
41	4
42	5
43	6
44	8
45	11
46	15
47	20
48	26
49	29
50	34
51	39
52	46
53	50
54	56
55	62
56	67
57	74
58	80
59	1
60	2
61	3
62	4
63	5
64	6
65	7
66	9
67	12
68	16
69	21
70	27
71	34
72	37
73	42
74	49
75	58
76	69
77	73
78	80
79	90
80	103
81	108
82	117
83	130
84	136
85	147
86	154

n	a(n)
3	1
4	1
5	2
6	4
7	1
8	2
9	3
10	5
11	8
12	11
13	1
14	2
15	3
16	4
17	6
18	9
19	13
20	16
21	20
22	24
23	1
24	2
25	3
26	4
27	5
28	7
29	10
30	14
31	19
32	22
33	27
34	34
35	38
36	45
37	50
38	1
39	2
40	3
41	4
42	5
43	6
44	8
45	11
46	15
47	20
48	26
49	29
50	34
51	39
52	46
53	50
54	56
55	62
56	67
57	74
58	80
59	1
60	2
61	3
62	4
63	5
64	6
65	7
66	9
67	12
68	16
69	21
70	27
71	34
72	37
73	42
74	49
75	58
76	69
77	73
78	80
79	90
80	103
81	108
82	117
83	130
84	136
85	147
86	154

n	a(n)
3	1
4	1
5	2
6	4
7	1
8	2
9	3
10	5
11	8
12	11
13	1
14	2
15	3
16	4
17	6
18	9
19	13
20	16
21	20
22	24
23	1
24	2
25	3
26	4
27	5
28	7
29	10
30	14
31	19
32	22
33	27
34	34
35	38
36	45
37	50
38	1
39	2
40	3
41	4
42	5
43	6
44	8
45	11
46	15
47	20
48	26
49	29
50	34
51	39
52	46
53	50
54	56
55	62
56	67
57	74
58	80
59	1
60	2
61	3
62	4
63	5
64	6
65	7
66	9
67	12
68	16
69	21
70	27
71	34
72	37
73	42
74	49
75	58
76	69
77	73
78	80
79	90
80	103
81	108
82	117
83	130
84	136
85	147
86	154