A279128 - cp's OEIS frontend

A279128 Number of n X 2 0..1 arrays with no element equal to a strict majority of its horizontal and vertical neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.

n	a(n)
1	1
2	0
3	9
4	34
5	87
6	194
7	400
8	790
9	1511
10	2830
11	5213
12	9484
13	17080
14	30508
15	54117
16	95434
17	167443
18	292486
19	508912
20	882402
21	1525219
22	2628886
23	4519577
24	7751888
25	13267384
26	22662360
27	38639553
28	65769394
29	111771663
30	189671306
31	321421456
32	543987118

[1, 0, 9, 34, 87, 194, 400, 790, 1511, 2830, 5213, 9484, 17080, 30508, 54117, 95434, 167443, 292486, 508912, 882402, 1525219, 2628886, 4519577, 7751888, 13267384, 22662360, 38639553, 65769394, 111771663, 189671306, 321421456, 543987118]

cp's OEIS Frontend

A279128 Number of n X 2 0..1 arrays with no element equal to a strict majority of its horizontal and vertical neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.

Table of values

List of values