A171158 - cp's OEIS frontend

A171158 The number of walks from (0,0,0) to (n,n,n) with steps that increment one to three coordinates and having the property that no two consecutive steps are orthogonal.

n	a(n)
0	1
1	1
2	19
3	235
4	3181
5	44725
6	648439
7	9614329
8	145020445
9	2217212539
10	34269961873
11	534449721793
12	8397498847645
13	132785160326593
14	2111135363144743
15	33723822603109987
16	540949658114010583
17	8708952402795685879
18	140665766088396528829
19	2278642960112808284773

[1, 1, 19, 235, 3181, 44725, 648439, 9614329, 145020445, 2217212539, 34269961873, 534449721793, 8397498847645, 132785160326593, 2111135363144743, 33723822603109987, 540949658114010583, 8708952402795685879, 140665766088396528829, 2278642960112808284773]

cp's OEIS Frontend

A171158 The number of walks from (0,0,0) to (n,n,n) with steps that increment one to three coordinates and having the property that no two consecutive steps are orthogonal.

Table of values

List of values