A240888 - cp's OEIS frontend

A240888 Number of n X 3 0..2 arrays with no element equal to a different number of vertical neighbors than horizontal neighbors, with new values 0..2 introduced in row major order.

n	a(n)
1	2
2	11
3	57
4	289
5	1485
6	7609
7	38981
8	199761
9	1023597
10	5245049
11	26876501
12	137719297
13	705694973
14	3616090505
15	18529407461
16	94947553233
17	486525966349
18	2493034391385
19	12774694280053
20	65459511713057
21	335424674724381
22	1718767975363881

[2, 11, 57, 289, 1485, 7609, 38981, 199761, 1023597, 5245049, 26876501, 137719297, 705694973, 3616090505, 18529407461, 94947553233, 486525966349, 2493034391385, 12774694280053, 65459511713057, 335424674724381, 1718767975363881]

cp's OEIS Frontend

A240888 Number of n X 3 0..2 arrays with no element equal to a different number of vertical neighbors than horizontal neighbors, with new values 0..2 introduced in row major order.

Table of values

List of values