A355838 - cp's OEIS frontend

A355838 Number of regions formed in a square by straight line segments when connecting the n+1 points along each edge that divide it into n equal parts to the n+1 points on the edge on the opposite side of the square.

n	a(n)
1	4
2	40
3	184
4	496
5	1240
6	2144
7	4380
8	6720
9	10860
10	15528
11	24300
12	30152
13	46036
14	57496
15	75056
16	96416
17	129052
18	148512
19	198392
20	225240
21	279576
22	336272
23	415988
24	453376
25	565052
26	648008
27	754808
28	848664
29	1026040
30	1085536
31	1331532
32	1452704
33	1652684
34	1862600
35	2084888
36	2247568
37	2662092
38	2887944
39	3193744

[4, 40, 184, 496, 1240, 2144, 4380, 6720, 10860, 15528, 24300, 30152, 46036, 57496, 75056, 96416, 129052, 148512, 198392, 225240, 279576, 336272, 415988, 453376, 565052, 648008, 754808, 848664, 1026040, 1085536, 1331532, 1452704, 1652684, 1862600, 2084888, 2247568, 2662092, 2887944, 3193744]

cp's OEIS Frontend

A355838 Number of regions formed in a square by straight line segments when connecting the n+1 points along each edge that divide it into n equal parts to the n+1 points on the edge on the opposite side of the square.

Table of values

List of values