A151253 - cp's OEIS frontend

A151253 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, 0, 0), (0, 0, 1), (1, 0, 0), (1, 0, 1), (1, 1, 0)}.

n	a(n)
0	1
1	4
2	19
3	91
4	445
5	2188
6	10819
7	53644
8	266581
9	1326646
10	6609307
11	32953033
12	164397313
13	820521562
14	4096733707
15	20459928259
16	102203137741
17	510621146326
18	2551485015379
19	12750737780587
20	63725988599425
21	318514790389294
22	1592093707211299
23	7958459733327676
24	39783873348471745
25	198883941062337328

[1, 4, 19, 91, 445, 2188, 10819, 53644, 266581, 1326646, 6609307, 32953033, 164397313, 820521562, 4096733707, 20459928259, 102203137741, 510621146326, 2551485015379, 12750737780587, 63725988599425, 318514790389294, 1592093707211299, 7958459733327676, 39783873348471745, 198883941062337328]

cp's OEIS Frontend

A151253 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, 0, 0), (0, 0, 1), (1, 0, 0), (1, 0, 1), (1, 1, 0)}.

Table of values

List of values