A275178 - cp's OEIS frontend

A275178 Number of n X 3 0..2 arrays with no element equal to any value at offset (-2,-1) (-1,0) or (-1,1) and new values introduced in order 0..2.

n	a(n)
1	5
2	16
3	25
4	41
5	85
6	181
7	389
8	834
9	1781
10	3799
11	8110
12	17328
13	37032
14	79130
15	169059
16	361178
17	771648
18	1648657
19	3522441
20	7525825
21	16079113
22	34353402
23	73396957
24	156814715
25	335039190
26	715820740
27	1529371036
28	3267543982
29	6981199507

[5, 16, 25, 41, 85, 181, 389, 834, 1781, 3799, 8110, 17328, 37032, 79130, 169059, 361178, 771648, 1648657, 3522441, 7525825, 16079113, 34353402, 73396957, 156814715, 335039190, 715820740, 1529371036, 3267543982, 6981199507]

cp's OEIS Frontend

A275178 Number of n X 3 0..2 arrays with no element equal to any value at offset (-2,-1) (-1,0) or (-1,1) and new values introduced in order 0..2.

Table of values

List of values