A279736 - cp's OEIS frontend

A279736 Number of n X 3 0..1 arrays with no element equal to a strict majority of its horizontal and antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.

n	a(n)
1	2
2	6
3	35
4	168
5	766
6	3402
7	14827
8	63680
9	270313
10	1136546
11	4740986
12	19644984
13	80939021
14	331835984
15	1354628539
16	5508982340
17	22328647462
18	90229615030
19	363633214831
20	1461903606752
21	5864244756909
22	23476219277174
23	93808204087890

[2, 6, 35, 168, 766, 3402, 14827, 63680, 270313, 1136546, 4740986, 19644984, 80939021, 331835984, 1354628539, 5508982340, 22328647462, 90229615030, 363633214831, 1461903606752, 5864244756909, 23476219277174, 93808204087890]

cp's OEIS Frontend

A279736 Number of n X 3 0..1 arrays with no element equal to a strict majority of its horizontal and antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.

Table of values

List of values