A006522 - cp's OEIS frontend

A006522 4-dimensional analog of centered polygonal numbers. Also number of regions created by sides and diagonals of a convex n-gon in general position.

n	a(n)
0	1
1	0
2	0
3	1
4	4
5	11
6	25
7	50
8	91
9	154
10	246
11	375
12	550
13	781
14	1079
15	1456
16	1925
17	2500
18	3196
19	4029
20	5016
21	6175
22	7525
23	9086
24	10879
25	12926
26	15250
27	17875
28	20826
29	24129
30	27811
31	31900
32	36425
33	41416
34	46904
35	52921
36	59500
37	66675
38	74481
39	82954
40	92131

[1, 0, 0, 1, 4, 11, 25, 50, 91, 154, 246, 375, 550, 781, 1079, 1456, 1925, 2500, 3196, 4029, 5016, 6175, 7525, 9086, 10879, 12926, 15250, 17875, 20826, 24129, 27811, 31900, 36425, 41416, 46904, 52921, 59500, 66675, 74481, 82954, 92131]

cp's OEIS Frontend

A006522 4-dimensional analog of centered polygonal numbers. Also number of regions created by sides and diagonals of a convex n-gon in general position.

Table of values

List of values