A351888 - cp's OEIS frontend

A351888 Number of spanning trees of the graph acquired by placing a vertex in each of the n^2 cells of a triangle of size n in a triangular grid and placing edges between two vertices whenever two cells share a side.

n	a(n)
1	1
2	1
3	6
4	196
5	33620
6	29805312
7	135418115000
8	3137323702689792
9	369428717972011445136
10	220611233969267102720000000
11	667057613878412272119535551460192
12	10200716038735515318755655819186313101312
13	788214513968528761154292411214871546938048625472

[1, 1, 6, 196, 33620, 29805312, 135418115000, 3137323702689792, 369428717972011445136, 220611233969267102720000000, 667057613878412272119535551460192, 10200716038735515318755655819186313101312, 788214513968528761154292411214871546938048625472]

cp's OEIS Frontend

A351888 Number of spanning trees of the graph acquired by placing a vertex in each of the n^2 cells of a triangle of size n in a triangular grid and placing edges between two vertices whenever two cells share a side.

Table of values

List of values