A328427 - cp's OEIS frontend

A328427 Number of 2n-step walks on cubic lattice starting at (0,0,0), ending at (n,y,z), remaining in the first (nonnegative) octant and using steps (0,0,1), (0,1,0), (1,0,0), (-1,1,1), (1,-1,1), and (1,1,-1).

n	a(n)
0	1
1	6
2	93
3	2040
4	52086
5	1443898
6	42073956
7	1266666928
8	39005460010
9	1220921798726
10	38687295919777
11	1237507863154364
12	39880747868561408
13	1292960017095690800
14	42125333404129589074
15	1378096053159532505284
16	45239194620411006084462
17	1489461895371375668384236

[1, 6, 93, 2040, 52086, 1443898, 42073956, 1266666928, 39005460010, 1220921798726, 38687295919777, 1237507863154364, 39880747868561408, 1292960017095690800, 42125333404129589074, 1378096053159532505284, 45239194620411006084462, 1489461895371375668384236]

cp's OEIS Frontend

A328427 Number of 2n-step walks on cubic lattice starting at (0,0,0), ending at (n,y,z), remaining in the first (nonnegative) octant and using steps (0,0,1), (0,1,0), (1,0,0), (-1,1,1), (1,-1,1), and (1,1,-1).

Table of values

List of values