A250540 - cp's OEIS frontend

A250540 Number of (n+1) X (4+1) 0..3 arrays with nondecreasing x(i,j)-x(i,j-1) in the i direction and nondecreasing x(i,j)-x(i-1,j) in the j direction.

n	a(n)
1	36552
2	491650
3	4169584
4	27240292
5	151170400
6	752602024
7	3475227442
8	15210145612
9	64036997144
10	262068107390
11	1050500245716
12	4148232147580
13	16207817815736
14	62874459765364
15	242824935032646
16	935658630855012

[36552, 491650, 4169584, 27240292, 151170400, 752602024, 3475227442, 15210145612, 64036997144, 262068107390, 1050500245716, 4148232147580, 16207817815736, 62874459765364, 242824935032646, 935658630855012]

cp's OEIS Frontend

A250540 Number of (n+1) X (4+1) 0..3 arrays with nondecreasing x(i,j)-x(i,j-1) in the i direction and nondecreasing x(i,j)-x(i-1,j) in the j direction.

Table of values

List of values