A277761 - cp's OEIS frontend

A277761 Number of n X 2 0..2 arrays with every element equal to some element at offset (-1,-1) (-1,0) (-1,1) (0,-1) (0,1) or (1,0) both plus 1 mod 3 and minus 1 mod 3, with new values introduced in order 0..2.

n	a(n)
1	0
2	1
3	2
4	14
5	56
6	284
7	1304
8	6248
9	29408
10	139472
11	659360
12	3121376
13	14768000
14	69887936
15	330703232
16	1564924544
17	7405262336
18	35042157824
19	165821110784
20	784674242048
21	3713117739008
22	17570663078912
23	83145267845120
24	393447636985856

[0, 1, 2, 14, 56, 284, 1304, 6248, 29408, 139472, 659360, 3121376, 14768000, 69887936, 330703232, 1564924544, 7405262336, 35042157824, 165821110784, 784674242048, 3713117739008, 17570663078912, 83145267845120, 393447636985856]

cp's OEIS Frontend

A277761 Number of n X 2 0..2 arrays with every element equal to some element at offset (-1,-1) (-1,0) (-1,1) (0,-1) (0,1) or (1,0) both plus 1 mod 3 and minus 1 mod 3, with new values introduced in order 0..2.

Table of values

List of values