A250674 - cp's OEIS frontend

A250674 Number of (n+1)X(6+1) 0..3 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	637948
2	16949262
3	345255872
4	5726252240
5	81461365899
6	1009432228498
7	11161659240791
8	111900180498102
9	1030597712205895
10	8812068752088130
11	70559356373093922
12	532907016216005428
13	3819559062732066364

[637948, 16949262, 345255872, 5726252240, 81461365899, 1009432228498, 11161659240791, 111900180498102, 1030597712205895, 8812068752088130, 70559356373093922, 532907016216005428, 3819559062732066364]

cp's OEIS Frontend

A250674 Number of (n+1)X(6+1) 0..3 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