A269084 - cp's OEIS frontend

A269084 Number of n X 3 binary arrays with some element plus some horizontally, vertically or antidiagonally adjacent neighbor totalling two not more than once.

n	a(n)
1	7
2	30
3	114
4	428
5	1531
6	5387
7	18590
8	63347
9	213490
10	713237
11	2365217
12	7794642
13	25549763
14	83359179
15	270860625
16	876943006
17	2830104798
18	9107202178
19	29230933367
20	93601324315
21	299085155918
22	953808773503
23	3036347307176
24	9649992762591

[7, 30, 114, 428, 1531, 5387, 18590, 63347, 213490, 713237, 2365217, 7794642, 25549763, 83359179, 270860625, 876943006, 2830104798, 9107202178, 29230933367, 93601324315, 299085155918, 953808773503, 3036347307176, 9649992762591]

cp's OEIS Frontend

A269084 Number of n X 3 binary arrays with some element plus some horizontally, vertically or antidiagonally adjacent neighbor totalling two not more than once.

Table of values

List of values