A148140 - cp's OEIS frontend

A148140 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, 0), (-1, 0, -1), (-1, 0, 1), (0, 1, -1), (1, 0, 0)}.

n	a(n)
0	1
1	1
2	2
3	4
4	11
5	29
6	79
7	239
8	717
9	2308
10	7297
11	24044
12	80190
13	272169
14	937998
15	3238896
16	11395781
17	40306202
18	144327012
19	518753441
20	1877343545
21	6847992964
22	25113561672
23	92664740665
24	342898523397
25	1275918429545
26	4768716120748
27	17899948765010
28	67407916028455
29	254582546853587
30	965161647585492
31	3670755986440919

[1, 1, 2, 4, 11, 29, 79, 239, 717, 2308, 7297, 24044, 80190, 272169, 937998, 3238896, 11395781, 40306202, 144327012, 518753441, 1877343545, 6847992964, 25113561672, 92664740665, 342898523397, 1275918429545, 4768716120748, 17899948765010, 67407916028455, 254582546853587, 965161647585492, 3670755986440919]

cp's OEIS Frontend

A148140 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, 0), (-1, 0, -1), (-1, 0, 1), (0, 1, -1), (1, 0, 0)}.

Table of values

List of values