A058786 - cp's OEIS frontend

A058786 Number of n-hedra with 2n-5 vertices or 3n-7 edges (the vertices of these are all of degree 3, except one which is of degree 4). Alternatively, the number of polyhedra with n vertices whose faces are all triangular, except one which is tetragonal.

n	a(n)
5	1
6	2
7	8
8	38
9	219
10	1404
11	9714
12	70454
13	527235
14	4037671
15	31477887
16	249026400
17	1994599707
18	16147744792
19	131959532817
20	1087376999834
21	9027039627035
22	75441790558926
23	634311771606750
24	5362639252793358
25	45565021714371644
26	388937603694422120
27	3333984869758146814

[1, 2, 8, 38, 219, 1404, 9714, 70454, 527235, 4037671, 31477887, 249026400, 1994599707, 16147744792, 131959532817, 1087376999834, 9027039627035, 75441790558926, 634311771606750, 5362639252793358, 45565021714371644, 388937603694422120, 3333984869758146814]

cp's OEIS Frontend

A058786 Number of n-hedra with 2n-5 vertices or 3n-7 edges (the vertices of these are all of degree 3, except one which is of degree 4). Alternatively, the number of polyhedra with n vertices whose faces are all triangular, except one which is tetragonal.

Table of values

List of values