A250654 - cp's OEIS frontend

A250654 Number of (n+1) X (6+1) 0..1 arrays with nondecreasing x(i,j)-x(i,j-1) in the i direction and nondecreasing min(x(i,j),x(i-1,j)) in the j direction.

n	a(n)
1	64
2	134
3	274
4	554
5	1114
6	2234
7	4474
8	8954
9	17914
10	35834
11	71674
12	143354
13	286714
14	573434
15	1146874
16	2293754
17	4587514
18	9175034
19	18350074
20	36700154
21	73400314
22	146800634
23	293601274
24	587202554
25	1174405114
26	2348810234
27	4697620474

[64, 134, 274, 554, 1114, 2234, 4474, 8954, 17914, 35834, 71674, 143354, 286714, 573434, 1146874, 2293754, 4587514, 9175034, 18350074, 36700154, 73400314, 146800634, 293601274, 587202554, 1174405114, 2348810234, 4697620474]

cp's OEIS Frontend

A250654 Number of (n+1) X (6+1) 0..1 arrays with nondecreasing x(i,j)-x(i,j-1) in the i direction and nondecreasing min(x(i,j),x(i-1,j)) in the j direction.

Table of values

List of values