A003451 - cp's OEIS frontend

A003451 Number of nonequivalent dissections of an n-gon into 3 polygons by nonintersecting diagonals up to rotation.

n	a(n)
5	1
6	4
7	8
8	16
9	25
10	40
11	56
12	80
13	105
14	140
15	176
16	224
17	273
18	336
19	400
20	480
21	561
22	660
23	760
24	880
25	1001
26	1144
27	1288
28	1456
29	1625
30	1820
31	2016
32	2240
33	2465
34	2720
35	2976
36	3264
37	3553
38	3876
39	4200
40	4560
41	4921
42	5320
43	5720
44	6160
45	6601
46	7084
47	7568
48	8096
49	8625
50	9200
51	9776
52	10400

[1, 4, 8, 16, 25, 40, 56, 80, 105, 140, 176, 224, 273, 336, 400, 480, 561, 660, 760, 880, 1001, 1144, 1288, 1456, 1625, 1820, 2016, 2240, 2465, 2720, 2976, 3264, 3553, 3876, 4200, 4560, 4921, 5320, 5720, 6160, 6601, 7084, 7568, 8096, 8625, 9200, 9776, 10400]

cp's OEIS Frontend

A003451 Number of nonequivalent dissections of an n-gon into 3 polygons by nonintersecting diagonals up to rotation.

Table of values

List of values