A250803 - cp's OEIS frontend

A250803 Number of (6+1)X(n+1) 0..1 arrays with nondecreasing min(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	816
2	3646
3	12706
4	38676
5	105954
6	270598
7	653880
8	1517666
9	3411886
10	7486456
11	16113534
12	34166562
13	71587660
14	148595086
15	306145338
16	627018812
17	1278150458
18	2595669838
19	5255451696
20	10615144698
21	21399536646
22	43073623696
23	86592277446

[816, 3646, 12706, 38676, 105954, 270598, 653880, 1517666, 3411886, 7486456, 16113534, 34166562, 71587660, 148595086, 306145338, 627018812, 1278150458, 2595669838, 5255451696, 10615144698, 21399536646, 43073623696, 86592277446]

cp's OEIS Frontend

A250803 Number of (6+1)X(n+1) 0..1 arrays with nondecreasing min(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