A280668 - cp's OEIS frontend

A280668 Number of n X 3 0..2 arrays with no element equal to more than one of its horizontal and antidiagonal neighbors and with new values introduced in order 0 sequentially upwards.

n	a(n)
1	4
2	59
3	858
4	12484
5	181640
6	2642832
7	38452768
8	559481408
9	8140361856
10	118440917248
11	1723295736320
12	25073667646464
13	364817712941056
14	5308037322346496
15	77231064216379392
16	1123699197608083456

[4, 59, 858, 12484, 181640, 2642832, 38452768, 559481408, 8140361856, 118440917248, 1723295736320, 25073667646464, 364817712941056, 5308037322346496, 77231064216379392, 1123699197608083456]

cp's OEIS Frontend

A280668 Number of n X 3 0..2 arrays with no element equal to more than one of its horizontal and antidiagonal neighbors and with new values introduced in order 0 sequentially upwards.

Table of values

List of values