A293081 - cp's OEIS frontend

A293081 Number of n X 2 0..1 arrays with the number of 1's horizontally or antidiagonally adjacent to some 0 two less than the number of 0's adjacent to some 1.

n	a(n)
1	0
2	0
3	1
4	10
5	60
6	304
7	1420
8	6312
9	27167
10	114412
11	474563
12	1947098
13	7925708
14	32072580
15	129213082
16	518818124
17	2077775396
18	8304424080
19	33138971978
20	132078954532
21	525904271587
22	2092410377864
23	8320012474033
24	33066905278394
25	131371155380369

[0, 0, 1, 10, 60, 304, 1420, 6312, 27167, 114412, 474563, 1947098, 7925708, 32072580, 129213082, 518818124, 2077775396, 8304424080, 33138971978, 132078954532, 525904271587, 2092410377864, 8320012474033, 33066905278394, 131371155380369]

cp's OEIS Frontend

A293081 Number of n X 2 0..1 arrays with the number of 1's horizontally or antidiagonally adjacent to some 0 two less than the number of 0's adjacent to some 1.

Table of values

List of values