A233251 - cp's OEIS frontend

A233251 Number of n X 3 0..5 arrays with no element x(i,j) adjacent to itself or value 5-x(i,j) horizontally or antidiagonally, top left element zero, and 1 appearing before 2 3 and 4, and 2 appearing before 3 in row major order (unlabelled 6-colorings with no clashing color pairs).

n	a(n)
1	3
2	104
3	4672
4	221696
5	10620928
6	509640704
7	24461443072
8	1174138781696
9	56358577635328
10	2705211055407104
11	129850125290831872
12	6232805971010256896
13	299174686264894947328
14	14360384937966178402304
15	689298477000386330755072

[3, 104, 4672, 221696, 10620928, 509640704, 24461443072, 1174138781696, 56358577635328, 2705211055407104, 129850125290831872, 6232805971010256896, 299174686264894947328, 14360384937966178402304, 689298477000386330755072]

cp's OEIS Frontend

A233251 Number of n X 3 0..5 arrays with no element x(i,j) adjacent to itself or value 5-x(i,j) horizontally or antidiagonally, top left element zero, and 1 appearing before 2 3 and 4, and 2 appearing before 3 in row major order (unlabelled 6-colorings with no clashing color pairs).

Table of values

List of values