A332723 - cp's OEIS frontend

A332723 Irregular table read by rows: Take a line with n equally spaced points with semicircles drawn between them, as in A290447. Then T(n,k) = number of k-sided regions in that figure, where k>=2.

n	a(n)
2	1
3	2
4	1
5	3
6	4
7	4
8	10
9	0
10	1
11	5
12	19
13	3
14	3
15	6
16	31
17	13
18	6
19	7
20	46
21	35
22	10
23	8
24	65
25	74
26	14
27	9
28	92
29	131
30	18
31	10
32	140
33	192
34	27
35	1
36	11
37	202
38	274
39	46
40	3
41	12
42	275
43	396
44	62
45	3
46	13
47	363
48	563
49	79
50	9
51	14
52	467
53	784
54	100
55	14
56	15
57	598
58	1054
59	126
60	12
61	2

[1, 2, 1, 3, 4, 4, 10, 0, 1, 5, 19, 3, 3, 6, 31, 13, 6, 7, 46, 35, 10, 8, 65, 74, 14, 9, 92, 131, 18, 10, 140, 192, 27, 1, 11, 202, 274, 46, 3, 12, 275, 396, 62, 3, 13, 363, 563, 79, 9, 14, 467, 784, 100, 14, 15, 598, 1054, 126, 12, 2]

cp's OEIS Frontend

A332723 Irregular table read by rows: Take a line with n equally spaced points with semicircles drawn between them, as in A290447. Then T(n,k) = number of k-sided regions in that figure, where k>=2.

Table of values

List of values