A253656 - cp's OEIS frontend

A253656 Number of (n+1)X(2+1) 0..2 arrays with every 2X2 subblock diagonal maximum minus antidiagonal maximum unequal to its neighbors horizontally, vertically and nw-se diagonally.

n	a(n)
1	518
2	3318
3	25062
4	181308
5	1284808
6	9172142
7	65613880
8	467877898
9	3342085566
10	23863144636
11	170361773052
12	1216457665598
13	8685298245814
14	62011878783818
15	442766165059484
16	3161297854578070
17	22571505980125104
18	161159074186279688

[518, 3318, 25062, 181308, 1284808, 9172142, 65613880, 467877898, 3342085566, 23863144636, 170361773052, 1216457665598, 8685298245814, 62011878783818, 442766165059484, 3161297854578070, 22571505980125104, 161159074186279688]

cp's OEIS Frontend

A253656 Number of (n+1)X(2+1) 0..2 arrays with every 2X2 subblock diagonal maximum minus antidiagonal maximum unequal to its neighbors horizontally, vertically and nw-se diagonally.

Table of values

List of values