A250679 - cp's OEIS frontend

A250679 Number of (3+1)X(n+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	2512
2	34630
3	388916
4	4008211
5	38224684
6	345255872
7	2996016017
8	25227877364
9	207711004347
10	1680947958659
11	13425296521939
12	106128580452188
13	832257246775220
14	6485280761219682
15	50282187542669984
16	388284093532906123

[2512, 34630, 388916, 4008211, 38224684, 345255872, 2996016017, 25227877364, 207711004347, 1680947958659, 13425296521939, 106128580452188, 832257246775220, 6485280761219682, 50282187542669984, 388284093532906123]

cp's OEIS Frontend

A250679 Number of (3+1)X(n+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