A280064 - cp's OEIS frontend

A280064 Number of n X 3 0..1 arrays with no element unequal to a strict majority of its horizontal, vertical and antidiagonal neighbors and with new values introduced in order 0 sequentially upwards.

n	a(n)
1	1
2	2
3	5
4	15
5	39
6	104
7	281
8	771
9	2122
10	5858
11	16174
12	44694
13	123510
14	341403
15	943694
16	2608709
17	7211359
18	19935055
19	55108220
20	152341402
21	421132682
22	1164181573
23	3218268552
24	8896600238
25	24593808939
26	67987267220
27	187944382019
28	519554527901

[1, 2, 5, 15, 39, 104, 281, 771, 2122, 5858, 16174, 44694, 123510, 341403, 943694, 2608709, 7211359, 19935055, 55108220, 152341402, 421132682, 1164181573, 3218268552, 8896600238, 24593808939, 67987267220, 187944382019, 519554527901]

cp's OEIS Frontend

A280064 Number of n X 3 0..1 arrays with no element unequal to a strict majority of its horizontal, vertical and antidiagonal neighbors and with new values introduced in order 0 sequentially upwards.

Table of values

List of values