A328345 - cp's OEIS frontend

A328345 Number of n-step walks on cubic lattice starting at (0,0,0), ending at (floor(n/3), floor((n+1)/3), floor((n+2)/3)) 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	1
2	4
3	21
4	88
5	440
6	2385
7	11781
8	62832
9	352128
10	1842240
11	10132320
12	57775905
13	311810785
14	1746140396
15	10060071021
16	55367204256
17	313747490784
18	1820016119376
19	10152658848528
20	58015193420160
21	338183208699840
22	1905152077559808
23	10954624445968896
24	64089909936535329

[1, 1, 4, 21, 88, 440, 2385, 11781, 62832, 352128, 1842240, 10132320, 57775905, 311810785, 1746140396, 10060071021, 55367204256, 313747490784, 1820016119376, 10152658848528, 58015193420160, 338183208699840, 1905152077559808, 10954624445968896, 64089909936535329]

cp's OEIS Frontend

A328345 Number of n-step walks on cubic lattice starting at (0,0,0), ending at (floor(n/3), floor((n+1)/3), floor((n+2)/3)) 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