A267669 - cp's OEIS frontend

A267669 Number of 4Xn 0..1 arrays with every repeated value in every row unequal to the previous repeated value, and in every column equal to the previous repeated value, and new values introduced in row-major sequential order.

n	a(n)
1	7
2	98
3	453
4	3143
5	10933
6	60401
7	188301
8	951113
9	2812057
10	13690793
11	39294261
12	188823533
13	531699829
14	2551208657
15	7083277713
16	34139004377
17	93677247421
18	454955695853
19	1235099875965
20	6055154070065
21	16269918251065
22	80602553434841

[7, 98, 453, 3143, 10933, 60401, 188301, 951113, 2812057, 13690793, 39294261, 188823533, 531699829, 2551208657, 7083277713, 34139004377, 93677247421, 454955695853, 1235099875965, 6055154070065, 16269918251065, 80602553434841]

cp's OEIS Frontend

A267669 Number of 4Xn 0..1 arrays with every repeated value in every row unequal to the previous repeated value, and in every column equal to the previous repeated value, and new values introduced in row-major sequential order.

Table of values

List of values