A281209 - cp's OEIS frontend

A281209 Number of 5 X n 0..1 arrays with no element equal to more than one 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	130
3	448
4	676
5	1141
6	1906
7	3137
8	5160
9	8510
10	14084
11	23379
12	38894
13	64795
14	108022
15	180126
16	300318
17	500525
18	833770
19	1388053
20	2309332
21	3839550
22	6379528
23	10592935
24	17578086
25	29151695
26	48317346
27	80038622
28	132514530
29	219282785
30	362687074

[0, 130, 448, 676, 1141, 1906, 3137, 5160, 8510, 14084, 23379, 38894, 64795, 108022, 180126, 300318, 500525, 833770, 1388053, 2309332, 3839550, 6379528, 10592935, 17578086, 29151695, 48317346, 80038622, 132514530, 219282785, 362687074]

cp's OEIS Frontend

A281209 Number of 5 X n 0..1 arrays with no element equal to more than one 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