A218997 - cp's OEIS frontend

A218997 Unmatched value maps: number of n X 3 binary arrays indicating the locations of corresponding elements not equal to any horizontal, diagonal or antidiagonal neighbor in a random 0..2 n X 3 array.

n	a(n)
1	4
2	46
3	328
4	2374
5	17776
6	131548
7	973492
8	7213582
9	53429692
10	395740366
11	2931304708
12	21712231084
13	160822807612
14	1191219388318
15	8823392421952
16	65355090312238
17	484086844724824
18	3585643697043796
19	26558954938197124
20	196722861904335358

[4, 46, 328, 2374, 17776, 131548, 973492, 7213582, 53429692, 395740366, 2931304708, 21712231084, 160822807612, 1191219388318, 8823392421952, 65355090312238, 484086844724824, 3585643697043796, 26558954938197124, 196722861904335358]

cp's OEIS Frontend

A218997 Unmatched value maps: number of n X 3 binary arrays indicating the locations of corresponding elements not equal to any horizontal, diagonal or antidiagonal neighbor in a random 0..2 n X 3 array.

Table of values

List of values