A279152 - cp's OEIS frontend

A279152 Number of n X 2 0..1 arrays with no element equal to a strict majority of its king-move neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.

n	a(n)
1	0
2	0
3	4
4	12
5	30
6	72
7	162
8	356
9	766
10	1616
11	3378
12	7004
13	14406
14	29480
15	60090
16	122036
17	247150
18	499456
19	1007458
20	2029068
21	4081686
22	8202456
23	16469642
24	33046628
25	66271166
26	132836784
27	266160818
28	533127612
29	1067587174
30	2137374088
31	4278378970

[0, 0, 4, 12, 30, 72, 162, 356, 766, 1616, 3378, 7004, 14406, 29480, 60090, 122036, 247150, 499456, 1007458, 2029068, 4081686, 8202456, 16469642, 33046628, 66271166, 132836784, 266160818, 533127612, 1067587174, 2137374088, 4278378970]

cp's OEIS Frontend

A279152 Number of n X 2 0..1 arrays with no element equal to a strict majority of its king-move neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.

Table of values

List of values