A148157 - cp's OEIS frontend

A148157 Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (-1, 0, 1), (0, 0, 1), (0, 1, -1), (1, -1, 1)}.

n	a(n)
0	1
1	1
2	2
3	4
4	11
5	30
6	96
7	303
8	1029
9	3503
10	12545
11	45113
12	167408
13	623906
14	2378074
15	9109462
16	35460401
17	138679512
18	548909493
19	2182414131
20	8757633284
21	35287783051
22	143225649827
23	583526061368
24	2391378062528
25	9833988357144
26	40635483278352
27	168436746650379
28	701005791862862
29	2925735406975962

[1, 1, 2, 4, 11, 30, 96, 303, 1029, 3503, 12545, 45113, 167408, 623906, 2378074, 9109462, 35460401, 138679512, 548909493, 2182414131, 8757633284, 35287783051, 143225649827, 583526061368, 2391378062528, 9833988357144, 40635483278352, 168436746650379, 701005791862862, 2925735406975962]

cp's OEIS Frontend

A148157 Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (-1, 0, 1), (0, 0, 1), (0, 1, -1), (1, -1, 1)}.

Table of values

List of values