A233107 - cp's OEIS frontend

A233107 Number of n X 2 0..5 arrays with no element x(i,j) adjacent to value 5-x(i,j) horizontally or vertically, top left element zero, and 1 appearing before 2 3 and 4, and 2 appearing before 3 in row major order.

n	a(n)
1	2
2	19
3	313
4	6046
5	123352
6	2565169
7	53692063
8	1126297996
9	23643610702
10	496455294319
11	10425137467813
12	218924920833946
13	4597402575582052
14	96545308753707469
15	2027450466493247563
16	42576452675015933896

[2, 19, 313, 6046, 123352, 2565169, 53692063, 1126297996, 23643610702, 496455294319, 10425137467813, 218924920833946, 4597402575582052, 96545308753707469, 2027450466493247563, 42576452675015933896]

cp's OEIS Frontend

A233107 Number of n X 2 0..5 arrays with no element x(i,j) adjacent to value 5-x(i,j) horizontally or vertically, top left element zero, and 1 appearing before 2 3 and 4, and 2 appearing before 3 in row major order.

Table of values

List of values