A094831 - cp's OEIS frontend

A094831 Number of (s(0), s(1), ..., s(2n)) such that 0 < s(i) < 9 and |s(i) - s(i-1)| = 1 for i = 1,2,...,2n, s(0) = 3, s(2n) = 3.

n	a(n)
0	1
1	2
2	6
3	19
4	62
5	207
6	703
7	2417
8	8382
9	29242
10	102431
11	359790
12	1266103
13	4460939
14	15730497
15	55500634
16	195890270
17	691566411
18	2441886670
19	8623112591
20	30453261927
21	107553444913
22	379864424726
23	1341658806066
24	4738726458775

[1, 2, 6, 19, 62, 207, 703, 2417, 8382, 29242, 102431, 359790, 1266103, 4460939, 15730497, 55500634, 195890270, 691566411, 2441886670, 8623112591, 30453261927, 107553444913, 379864424726, 1341658806066, 4738726458775]

cp's OEIS Frontend

A094831 Number of (s(0), s(1), ..., s(2n)) such that 0 < s(i) < 9 and |s(i) - s(i-1)| = 1 for i = 1,2,...,2n, s(0) = 3, s(2n) = 3.

Table of values

List of values