A094825 - cp's OEIS frontend

A094825 Number of (s(0), s(1), ..., s(2n)) such that 0 < s(i) < 10 and |s(i) - s(i-1)| = 1 for i = 1,2,...,2n, s(0) = 1, s(2n) = 7.

n	a(n)
3	1
4	7
5	35
6	153
7	624
8	2444
9	9333
10	35055
11	130207
12	479941
13	1759616
14	6427032
15	23412105
16	85121783
17	309062619
18	1121050449
19	4063463728
20	14721293860
21	53313308477
22	193023319071
23	698715633111
24	2528895064637
25	9152032060800
26	33118656195888

[1, 7, 35, 153, 624, 2444, 9333, 35055, 130207, 479941, 1759616, 6427032, 23412105, 85121783, 309062619, 1121050449, 4063463728, 14721293860, 53313308477, 193023319071, 698715633111, 2528895064637, 9152032060800, 33118656195888]

cp's OEIS Frontend

A094825 Number of (s(0), s(1), ..., s(2n)) such that 0 < s(i) < 10 and |s(i) - s(i-1)| = 1 for i = 1,2,...,2n, s(0) = 1, s(2n) = 7.

Table of values

List of values