A227657 - cp's OEIS frontend

A227657 Number of lattice paths from {3}^n to {0}^n using steps that decrement one component by 1 such that for each point (p_1,p_2,...,p_n) we have abs(p_{i}-p_{i+1}) <= 1.

n	a(n)
0	1
1	1
2	8
3	320
4	33904
5	7453320
6	2940381648
7	1891074940160
8	1850957806329280
9	2618225365541294080
10	5140671157605632743040
11	13563806648374752374753280
12	46834662679585827124435729920
13	206992078337280281738792256468480
14	1149167357682367147108624229192064000

[1, 1, 8, 320, 33904, 7453320, 2940381648, 1891074940160, 1850957806329280, 2618225365541294080, 5140671157605632743040, 13563806648374752374753280, 46834662679585827124435729920, 206992078337280281738792256468480, 1149167357682367147108624229192064000]

cp's OEIS Frontend

A227657 Number of lattice paths from {3}^n to {0}^n using steps that decrement one component by 1 such that for each point (p_1,p_2,...,p_n) we have abs(p_{i}-p_{i+1}) <= 1.

Table of values

List of values