A281061 - cp's OEIS frontend

A281061 Number of 6Xn 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	0
2	468
3	4988
4	10112
5	22106
6	46610
7	87995
8	159317
9	282552
10	495655
11	864369
12	1501627
13	2601791
14	4498333
15	7762266
16	13369326
17	22983871
18	39440039
19	67556367
20	115513187
21	197179026
22	336035590
23	571793109
24	971529387
25	1648428839
26	2793279473

[0, 468, 4988, 10112, 22106, 46610, 87995, 159317, 282552, 495655, 864369, 1501627, 2601791, 4498333, 7762266, 13369326, 22983871, 39440039, 67556367, 115513187, 197179026, 336035590, 571793109, 971529387, 1648428839, 2793279473]

cp's OEIS Frontend

A281061 Number of 6Xn 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