A094817 - cp's OEIS frontend

A094817 Number of (s(0), s(1), ..., s(2n)) such that 0 < s(i) < 8 and |s(i) - s(i-1)| = 1 for i = 1,2,...,2n, s(0) = 3, s(2n) = 3.

n	a(n)
1	2
2	6
3	19
4	62
5	206
6	692
7	2340
8	7944
9	27032
10	92112
11	314128
12	1071776
13	3657824
14	12485696
15	42623040
16	145512576
17	496787840
18	1696093440
19	5790732544
20	19770612224
21	67500721664
22	230461137920
23	786842059776
24	2686443866112

[2, 6, 19, 62, 206, 692, 2340, 7944, 27032, 92112, 314128, 1071776, 3657824, 12485696, 42623040, 145512576, 496787840, 1696093440, 5790732544, 19770612224, 67500721664, 230461137920, 786842059776, 2686443866112]

cp's OEIS Frontend

A094817 Number of (s(0), s(1), ..., s(2n)) such that 0 < s(i) < 8 and |s(i) - s(i-1)| = 1 for i = 1,2,...,2n, s(0) = 3, s(2n) = 3.

Table of values

List of values