A267906 - cp's OEIS frontend

A267906 Number of n X 2 0..2 arrays with every repeated value in every row unequal to the previous repeated value, and in every column equal to the previous repeated value, and new values introduced in row-major sequential order.

n	a(n)
1	2
2	14
3	122
4	938
5	6734
6	45938
7	302402
8	1939154
9	12192302
10	75508538
11	462161714
12	2802600938
13	16870221902
14	100950439394
15	601202522882
16	3566576610338
17	21091803794894
18	124410954720938
19	732300042558002
20	4302980995610234

[2, 14, 122, 938, 6734, 45938, 302402, 1939154, 12192302, 75508538, 462161714, 2802600938, 16870221902, 100950439394, 601202522882, 3566576610338, 21091803794894, 124410954720938, 732300042558002, 4302980995610234]

cp's OEIS Frontend

A267906 Number of n X 2 0..2 arrays with every repeated value in every row unequal to the previous repeated value, and in every column equal to the previous repeated value, and new values introduced in row-major sequential order.

Table of values

List of values