A250774 - cp's OEIS frontend

A250774 Number of (6+1) X (n+1) 0..1 arrays with nondecreasing x(i,j)-x(i,j-1) in the i direction and nondecreasing absolute value of x(i,j)-x(i-1,j) in the j direction.

n	a(n)
1	288
2	514
3	820
4	1234
5	1812
6	2666
7	4020
8	6322
9	10468
10	18250
11	33252
12	62642
13	120756
14	236266
15	466516
16	926194
17	1844676
18	3680714
19	7351812
20	14692978
21	29374228
22	58735594
23	117457140
24	234898994
25	469781412
26	939544906
27	1879070500
28	3758120242

[288, 514, 820, 1234, 1812, 2666, 4020, 6322, 10468, 18250, 33252, 62642, 120756, 236266, 466516, 926194, 1844676, 3680714, 7351812, 14692978, 29374228, 58735594, 117457140, 234898994, 469781412, 939544906, 1879070500, 3758120242]

cp's OEIS Frontend

A250774 Number of (6+1) X (n+1) 0..1 arrays with nondecreasing x(i,j)-x(i,j-1) in the i direction and nondecreasing absolute value of x(i,j)-x(i-1,j) in the j direction.

Table of values

List of values