A279744 - cp's OEIS frontend

A279744 Number of 4Xn 0..1 arrays with no element equal to a strict majority of its horizontal and antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.

n	a(n)
1	0
2	26
3	168
4	736
5	2948
6	11434
7	42494
8	154886
9	554894
10	1962216
11	6863344
12	23793932
13	81876322
14	279975202
15	952219158
16	3223476464
17	10867630142
18	36506995228
19	122242241376
20	408146874402
21	1359207500258
22	4515810568242
23	14971262615738

[0, 26, 168, 736, 2948, 11434, 42494, 154886, 554894, 1962216, 6863344, 23793932, 81876322, 279975202, 952219158, 3223476464, 10867630142, 36506995228, 122242241376, 408146874402, 1359207500258, 4515810568242, 14971262615738]

cp's OEIS Frontend

A279744 Number of 4Xn 0..1 arrays with no element equal to a strict majority of its horizontal and antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.

Table of values

List of values