A217748 - cp's OEIS frontend

A217748 Number of regions with infinite area in the exterior of a regular n-gon with all diagonals drawn.

n	a(n)
3	1
4	4
5	10
6	18
7	28
8	40
9	54
10	70
11	88
12	108
13	130
14	154
15	180
16	208
17	238
18	270
19	304
20	340
21	378
22	418
23	460
24	504
25	550
26	598
27	648
28	700
29	754
30	810
31	868
32	928
33	990
34	1054
35	1120
36	1188
37	1258
38	1330
39	1404
40	1480
41	1558
42	1638
43	1720
44	1804
45	1890
46	1978
47	2068
48	2160
49	2254
50	2350
51	2448
52	2548

[1, 4, 10, 18, 28, 40, 54, 70, 88, 108, 130, 154, 180, 208, 238, 270, 304, 340, 378, 418, 460, 504, 550, 598, 648, 700, 754, 810, 868, 928, 990, 1054, 1120, 1188, 1258, 1330, 1404, 1480, 1558, 1638, 1720, 1804, 1890, 1978, 2068, 2160, 2254, 2350, 2448, 2548]

cp's OEIS Frontend

A217748 Number of regions with infinite area in the exterior of a regular n-gon with all diagonals drawn.

Table of values

List of values