A208410 - cp's OEIS frontend

A208410 Number of 3 X n 0..3 arrays with new values 0..3 introduced in row major order and no element equal to more than two of its immediate leftward or upward or right-upward antidiagonal neighbors.

n	a(n)
1	5
2	187
3	10682
4	658450
5	40883360
6	2540446156
7	157873031498
8	9810914663050
9	609693293454056
10	37889020302613060
11	2354590230800815490
12	146324584692741696562
13	9093252748398554214416
14	565094688091663621180732

[5, 187, 10682, 658450, 40883360, 2540446156, 157873031498, 9810914663050, 609693293454056, 37889020302613060, 2354590230800815490, 146324584692741696562, 9093252748398554214416, 565094688091663621180732]

cp's OEIS Frontend

A208410 Number of 3 X n 0..3 arrays with new values 0..3 introduced in row major order and no element equal to more than two of its immediate leftward or upward or right-upward antidiagonal neighbors.

Table of values

List of values