A197244 - cp's OEIS frontend

A197244 Number of n X 2 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 0,0,1,1,1 for x=0,1,2,3,4.

n	a(n)
1	2
2	4
3	8
4	16
5	40
6	80
7	192
8	400
9	936
10	1984
11	4576
12	9824
13	22408
14	48560
15	109888
16	239728
17	539432
18	1182432
19	2649952
20	5828544
21	13024648
22	28717648
23	64040768
24	141448528
25	314965928
26	696544000
27	1549366240
28	3429474848
29	7622621832
30	16883244016

[2, 4, 8, 16, 40, 80, 192, 400, 936, 1984, 4576, 9824, 22408, 48560, 109888, 239728, 539432, 1182432, 2649952, 5828544, 13024648, 28717648, 64040768, 141448528, 314965928, 696544000, 1549366240, 3429474848, 7622621832, 16883244016]

cp's OEIS Frontend

A197244 Number of n X 2 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 0,0,1,1,1 for x=0,1,2,3,4.

Table of values

List of values