A250787 - cp's OEIS frontend

A250787 Number of (5+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	144
2	396
3	990
4	2426
5	5688
6	12950
7	28692
8	62274
9	132890
10	279864
11	583196
12	1205236
13	2474328
14	5053216
15	10277030
16	20831790
17	42114880
18	84962234
19	171112172
20	344149014
21	691415474
22	1387878796
23	2783929300
24	5581085336
25	11183577088
26	22401796180

[144, 396, 990, 2426, 5688, 12950, 28692, 62274, 132890, 279864, 583196, 1205236, 2474328, 5053216, 10277030, 20831790, 42114880, 84962234, 171112172, 344149014, 691415474, 1387878796, 2783929300, 5581085336, 11183577088, 22401796180]

cp's OEIS Frontend

A250787 Number of (5+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