A285024 - cp's OEIS frontend

A285024 Number of n X 2 0..1 arrays with the number of 1's horizontally, antidiagonally or vertically adjacent to some 0 one less than the number of 0's adjacent to some 1.

n	a(n)
1	0
2	2
3	6
4	26
5	104
6	402
7	1578
8	6196
9	24310
10	95446
11	374872
12	1472938
13	5790024
14	22768624
15	89562540
16	352395768
17	1386874908
18	5459330780
19	21494802570
20	84648191106
21	333419873528
22	1313575442496
23	5176174458602
24	20401118165166
25	80425006887898

[0, 2, 6, 26, 104, 402, 1578, 6196, 24310, 95446, 374872, 1472938, 5790024, 22768624, 89562540, 352395768, 1386874908, 5459330780, 21494802570, 84648191106, 333419873528, 1313575442496, 5176174458602, 20401118165166, 80425006887898]

cp's OEIS Frontend

A285024 Number of n X 2 0..1 arrays with the number of 1's horizontally, antidiagonally or vertically adjacent to some 0 one less than the number of 0's adjacent to some 1.

Table of values

List of values