A231125 - cp's OEIS frontend

A231125 Number of (n+1) X (2+1) white-square subarrays of 0..2 arrays with no element equal to a strict majority of its diagonal and antidiagonal neighbors, with values 0..2 introduced in row major order.

n	a(n)
1	2
2	8
3	40
4	176
5	808
6	3584
7	16368
8	72640
9	331648
10	1471872
11	6719936
12	29823488
13	136161152
14	604291584
15	2758934016
16	12244319232
17	55902265856
18	248097701888
19	1132706802688
20	5027022614528
21	22951211032576
22	101858889359360

[2, 8, 40, 176, 808, 3584, 16368, 72640, 331648, 1471872, 6719936, 29823488, 136161152, 604291584, 2758934016, 12244319232, 55902265856, 248097701888, 1132706802688, 5027022614528, 22951211032576, 101858889359360]

cp's OEIS Frontend

A231125 Number of (n+1) X (2+1) white-square subarrays of 0..2 arrays with no element equal to a strict majority of its diagonal and antidiagonal neighbors, with values 0..2 introduced in row major order.

Table of values

List of values