A094827 - cp's OEIS frontend

A094827 Number of (s(0), s(1), ..., s(2n+1)) such that 0 < s(i) < 9 and |s(i) - s(i-1)| = 1 for i = 1,2,...,2n+1, s(0) = 1, s(2n+1) = 4.

n	a(n)
1	1
2	4
3	14
4	48
5	165
6	571
7	1988
8	6953
9	24396
10	85786
11	302104
12	1064945
13	3756519
14	13256712
15	46796545
16	165225380
17	583440086
18	2060408640
19	7276716445
20	25700060995
21	90770326604
22	320598127113
23	1132355884236
24	3999522488002

[1, 4, 14, 48, 165, 571, 1988, 6953, 24396, 85786, 302104, 1064945, 3756519, 13256712, 46796545, 165225380, 583440086, 2060408640, 7276716445, 25700060995, 90770326604, 320598127113, 1132355884236, 3999522488002]

cp's OEIS Frontend

A094827 Number of (s(0), s(1), ..., s(2n+1)) such that 0 < s(i) < 9 and |s(i) - s(i-1)| = 1 for i = 1,2,...,2n+1, s(0) = 1, s(2n+1) = 4.

Table of values

List of values