A033961 - cp's OEIS frontend

A033961 Number of different sets ("cut sets") of triangles a regular (n+2)-gon can be dissected into; two triangulations of an (n+2)-gon are equal if all numbers of congruent triangles coincide.

n	a(n)
2	1
3	1
4	2
5	2
6	4
7	6
8	11
9	17
10	35
11	57
12	115
13	203
14	412
15	745
16	1546
17	2838
18	5901
19	11154
20	23255
21	44263
22	93169
23	179214
24	377441
25	733151
26	1547068
27	3020878
28	6399874
29	12543862

[1, 1, 2, 2, 4, 6, 11, 17, 35, 57, 115, 203, 412, 745, 1546, 2838, 5901, 11154, 23255, 44263, 93169, 179214, 377441, 733151, 1547068, 3020878, 6399874, 12543862]

cp's OEIS Frontend

A033961 Number of different sets ("cut sets") of triangles a regular (n+2)-gon can be dissected into; two triangulations of an (n+2)-gon are equal if all numbers of congruent triangles coincide.

Table of values

List of values