A330662 - cp's OEIS frontend

A330662 Triangle read by rows: T(n,k) is the number of polygons with 2n sides, of which k run through the center of a circle, on the circumference of which the 2n vertices of the polygon are arranged at equal spacing.

n	a(n)
0	0
1	0
2	1
3	1
4	0
5	2
6	16
7	24
8	12
9	8
10	744
11	960
12	576
13	192
14	48
15	56256
16	69120
17	39360
18	13440
19	2880
20	384
21	6385920
22	7580160
23	4204800
24	1420800
25	316800
26	46080
27	3840
28	1018114560
29	1178956800
30	642539520
31	216115200
32	49190400
33	7741440
34	806400
35	46080

[0, 0, 1, 1, 0, 2, 16, 24, 12, 8, 744, 960, 576, 192, 48, 56256, 69120, 39360, 13440, 2880, 384, 6385920, 7580160, 4204800, 1420800, 316800, 46080, 3840, 1018114560, 1178956800, 642539520, 216115200, 49190400, 7741440, 806400, 46080]

cp's OEIS Frontend

A330662 Triangle read by rows: T(n,k) is the number of polygons with 2n sides, of which k run through the center of a circle, on the circumference of which the 2n vertices of the polygon are arranged at equal spacing.

Table of values

List of values

cp's OEIS Frontend

A330662 Triangle read by rows: T(n,k) is the number of polygons with 2*n sides, of which k run through the center of a circle, on the circumference of which the 2*n vertices of the polygon are arranged at equal spacing.

Table of values

List of values

A330662 Triangle read by rows: T(n,k) is the number of polygons with 2n sides, of which k run through the center of a circle, on the circumference of which the 2n vertices of the polygon are arranged at equal spacing.