A094667 - cp's OEIS frontend

A094667 Number of (s(0), s(1), ..., s(2n+1)) such that 0 < s(i) < 10 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	572
7	2001
8	7056
9	25042
10	89320
11	319793
12	1148184
13	4131009
14	14885468
15	53697270
16	193862592
17	700312381
18	2530902676
19	9149426897
20	33083393640
21	119645675898
22	432748165304
23	1565346866889
24	5662560013488
25	20484930829825
26	74108882866612
27	268111981441886

[1, 4, 14, 48, 165, 572, 2001, 7056, 25042, 89320, 319793, 1148184, 4131009, 14885468, 53697270, 193862592, 700312381, 2530902676, 9149426897, 33083393640, 119645675898, 432748165304, 1565346866889, 5662560013488, 20484930829825, 74108882866612, 268111981441886]

cp's OEIS Frontend

A094667 Number of (s(0), s(1), ..., s(2n+1)) such that 0 < s(i) < 10 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