A205156 - cp's OEIS frontend

A205156 Number of n X 3 0..3 arrays with no occurrence of three equal elements in a row horizontally, vertically or nw-to-se diagonally, and new values 0..3 introduced in row major order.

n	a(n)
1	4
2	159
3	6941
4	332285
5	15821727
6	754700909
7	35987024999
8	1716127952620
9	81836397835786
10	3902517029091331
11	186098468293931598
12	8874437930744029485
13	423193413557085915551
14	20180733461342796276880
15	962354302788447192584715

[4, 159, 6941, 332285, 15821727, 754700909, 35987024999, 1716127952620, 81836397835786, 3902517029091331, 186098468293931598, 8874437930744029485, 423193413557085915551, 20180733461342796276880, 962354302788447192584715]

cp's OEIS Frontend

A205156 Number of n X 3 0..3 arrays with no occurrence of three equal elements in a row horizontally, vertically or nw-to-se diagonally, and new values 0..3 introduced in row major order.

Table of values

List of values