A328295 - cp's OEIS frontend

A328295 Number of n-step walks on cubic lattice starting at (0,0,0), 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	3
2	12
3	57
4	294
5	1590
6	8856
7	50301
8	289590
9	1683306
10	9853320
11	57977922
12	342494118
13	2029350972
14	12052664868
15	71715479535
16	427347761010
17	2549540104944
18	15224944518084
19	90988367614254
20	544115710748898
21	3255541325220204
22	19486893225315138
23	116685749052336714

[1, 3, 12, 57, 294, 1590, 8856, 50301, 289590, 1683306, 9853320, 57977922, 342494118, 2029350972, 12052664868, 71715479535, 427347761010, 2549540104944, 15224944518084, 90988367614254, 544115710748898, 3255541325220204, 19486893225315138, 116685749052336714]

cp's OEIS Frontend

A328295 Number of n-step walks on cubic lattice starting at (0,0,0), 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