A208046 - cp's OEIS frontend

A208046 Number of n X 4 0..3 arrays with new values 0..3 introduced in row major order and no element equal to any horizontal, vertical or antidiagonal neighbor (colorings ignoring permutations of colors).

n	a(n)
1	5
2	32
3	244
4	1904
5	14976
6	118096
7	931968
8	7356288
9	58068800
10	458389760
11	3618506752
12	28564366592
13	225486229504
14	1779981604864
15	14051122574336
16	110919150841856
17	875592537571328
18	6911901929525248
19	54562352063938560
20	430713614487224320

[5, 32, 244, 1904, 14976, 118096, 931968, 7356288, 58068800, 458389760, 3618506752, 28564366592, 225486229504, 1779981604864, 14051122574336, 110919150841856, 875592537571328, 6911901929525248, 54562352063938560, 430713614487224320]

cp's OEIS Frontend

A208046 Number of n X 4 0..3 arrays with new values 0..3 introduced in row major order and no element equal to any horizontal, vertical or antidiagonal neighbor (colorings ignoring permutations of colors).

Table of values

List of values