A094306 - cp's OEIS frontend

A094306 Number of (s(0), s(1), ..., s(n)) such that 0 < s(i) < 6 and |s(i) - s(i-1)| <= 1 for i = 1,2,...,n, s(0) = 2, s(n) = 4.

n	a(n)
2	1
3	3
4	10
5	30
6	88
7	252
8	712
9	1992
10	5536
11	15312
12	42208
13	116064
14	318592
15	873408
16	2392192
17	6547584
18	17912320
19	48985344
20	133926400
21	366085632
22	1000548352
23	2734316544
24	7471826944
25	20416481280
26	55785005056
27	152419749888

[1, 3, 10, 30, 88, 252, 712, 1992, 5536, 15312, 42208, 116064, 318592, 873408, 2392192, 6547584, 17912320, 48985344, 133926400, 366085632, 1000548352, 2734316544, 7471826944, 20416481280, 55785005056, 152419749888]

cp's OEIS Frontend

A094306 Number of (s(0), s(1), ..., s(n)) such that 0 < s(i) < 6 and |s(i) - s(i-1)| <= 1 for i = 1,2,...,n, s(0) = 2, s(n) = 4.

Table of values

List of values