A204680 - cp's OEIS frontend

A204680 Number of nX3 0..3 arrays with no occurrence of three equal elements in a row horizontally, vertically, diagonally or antidiagonally, and new values 0..3 introduced in row major order.

n	a(n)
1	4
2	159
3	6451
4	287379
5	12711292
6	563046972
7	24932875448
8	1104148318540
9	48896363697435
10	2165344586789384
11	95890854634053213
12	4246463765107286355
13	188051863862618823831
14	8327753561924846574597
15	368789108809170527549222

[4, 159, 6451, 287379, 12711292, 563046972, 24932875448, 1104148318540, 48896363697435, 2165344586789384, 95890854634053213, 4246463765107286355, 188051863862618823831, 8327753561924846574597, 368789108809170527549222]

cp's OEIS Frontend

A204680 Number of nX3 0..3 arrays with no occurrence of three equal elements in a row horizontally, vertically, diagonally or antidiagonally, and new values 0..3 introduced in row major order.

Table of values

List of values