A267663 - cp's OEIS frontend

A267663 Number of n X 4 0..1 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	5
2	50
3	500
4	3143
5	18432
6	98438
7	508681
8	2560344
9	12721832
10	62688891
11	307514468
12	1504686646
13	7352965785
14	35912894408
15	175383062746
16	856630710989
17	4185293733440
18	20456112775414
19	100023287817835
20	489294036823648

[5, 50, 500, 3143, 18432, 98438, 508681, 2560344, 12721832, 62688891, 307514468, 1504686646, 7352965785, 35912894408, 175383062746, 856630710989, 4185293733440, 20456112775414, 100023287817835, 489294036823648]

cp's OEIS Frontend

A267663 Number of n X 4 0..1 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