A283036 - cp's OEIS frontend

A283036 Number of n X 2 0..1 arrays with no 1 equal to more than one of its horizontal and vertical neighbors, with the exception of exactly one element.

n	a(n)
1	0
2	4
3	16
4	68
5	256
6	924
7	3232
8	11044
9	37104
10	122984
11	403280
12	1310760
13	4228960
14	13558932
15	43239776
16	137251068
17	433883696
18	1366668772
19	4290998336
20	13433966724
21	41949331616
22	130685405648
23	406258440928
24	1260465716560
25	3903760205760

[0, 4, 16, 68, 256, 924, 3232, 11044, 37104, 122984, 403280, 1310760, 4228960, 13558932, 43239776, 137251068, 433883696, 1366668772, 4290998336, 13433966724, 41949331616, 130685405648, 406258440928, 1260465716560, 3903760205760]

cp's OEIS Frontend

A283036 Number of n X 2 0..1 arrays with no 1 equal to more than one of its horizontal and vertical neighbors, with the exception of exactly one element.

Table of values

List of values