A221933 - cp's OEIS frontend

A221933 Number of n X 3 arrays of occupancy after each element stays put or moves to some horizontal or antidiagonal neighbor, without move-in move-out straight through or left turns.

n	a(n)
1	6
2	105
3	1599
4	24535
5	376389
6	5773962
7	88575493
8	1358791848
9	20844539836
10	319765562424
11	4905362062396
12	75250682972713
13	1154382737872290
14	17708802802243865
15	271661803663808763
16	4167426584055854255

[6, 105, 1599, 24535, 376389, 5773962, 88575493, 1358791848, 20844539836, 319765562424, 4905362062396, 75250682972713, 1154382737872290, 17708802802243865, 271661803663808763, 4167426584055854255]

cp's OEIS Frontend

A221933 Number of n X 3 arrays of occupancy after each element stays put or moves to some horizontal or antidiagonal neighbor, without move-in move-out straight through or left turns.

Table of values

List of values