A277262 - cp's OEIS frontend

A277262 Number of walks on cubic lattice starting at (1,1,1), ending at (n,n,n), remaining in the first (nonnegative) octant and using steps (0,-1,2), (0,2,-1), (-1,0,2), (2,0,-1), (-1,2,0), and (2,-1,0).

n	a(n)
0	0
1	1
2	12
3	456
4	54216
5	6932916
6	1069256400
7	170663949024
8	29130191148240
9	5115288488816760
10	927446504770571520
11	171486284915686699620
12	32295496327107026335392
13	6164943698859825359296740
14	1190940852937573264531168944
15	232287567721717805821704554232

[0, 1, 12, 456, 54216, 6932916, 1069256400, 170663949024, 29130191148240, 5115288488816760, 927446504770571520, 171486284915686699620, 32295496327107026335392, 6164943698859825359296740, 1190940852937573264531168944, 232287567721717805821704554232]

cp's OEIS Frontend

A277262 Number of walks on cubic lattice starting at (1,1,1), ending at (n,n,n), remaining in the first (nonnegative) octant and using steps (0,-1,2), (0,2,-1), (-1,0,2), (2,0,-1), (-1,2,0), and (2,-1,0).

Table of values

List of values