A281054 - cp's OEIS frontend

A281054 Number of nX6 0..1 arrays with no element equal to more than one of its horizontal and antidiagonal neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.

n	a(n)
1	6
2	251
3	1403
4	5400
5	16875
6	46610
7	119205
8	288527
9	671451
10	1515524
11	3339671
12	7217269
13	15347530
14	32196671
15	66765699
16	137073842
17	278977066
18	563443975
19	1130260537
20	2253558987
21	4468793135
22	8818038639
23	17322550753
24	33890757331

[6, 251, 1403, 5400, 16875, 46610, 119205, 288527, 671451, 1515524, 3339671, 7217269, 15347530, 32196671, 66765699, 137073842, 278977066, 563443975, 1130260537, 2253558987, 4468793135, 8818038639, 17322550753, 33890757331]

cp's OEIS Frontend

A281054 Number of nX6 0..1 arrays with no element equal to more than one of its horizontal and antidiagonal neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.

Table of values

List of values