A150552 - cp's OEIS frontend

A150552 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), (1, 0, -1), (1, 1, 0)}.

n	a(n)
0	1
1	2
2	7
3	26
4	105
5	442
6	1920
7	8525
8	38480
9	175927
10	812470
11	3783046
12	17733619
13	83598750
14	395976575
15	1883262667
16	8988385280
17	43031566795
18	206568684223
19	993983881425
20	4793114652198
21	23157079690297
22	112071405946713
23	543225406892426
24	2636805762921490
25	12815498860843351
26	62359888275586999
27	303770986781638654

[1, 2, 7, 26, 105, 442, 1920, 8525, 38480, 175927, 812470, 3783046, 17733619, 83598750, 395976575, 1883262667, 8988385280, 43031566795, 206568684223, 993983881425, 4793114652198, 23157079690297, 112071405946713, 543225406892426, 2636805762921490, 12815498860843351, 62359888275586999, 303770986781638654]

cp's OEIS Frontend

A150552 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), (1, 0, -1), (1, 1, 0)}.

Table of values

List of values