A125267 - cp's OEIS frontend

A125267 Number of Motzkin paths with no peaks and with level steps at height 0 having three colors except that consecutive level steps at height 0 must have different colors.

n	a(n)
0	1
1	3
2	6
3	13
4	30
5	71
6	171
7	417
8	1026
9	2542
10	6333
11	15849
12	39813
13	100329
14	253518
15	642117
16	1629726
17	4143857
18	10553511
19	26916426
20	68739015
21	175752268
22	449846001
23	1152528593
24	2955487605
25	7585165701
26	19481930556
27	50073211027
28	128784497466
29	331426205715
30	853409723277

[1, 3, 6, 13, 30, 71, 171, 417, 1026, 2542, 6333, 15849, 39813, 100329, 253518, 642117, 1629726, 4143857, 10553511, 26916426, 68739015, 175752268, 449846001, 1152528593, 2955487605, 7585165701, 19481930556, 50073211027, 128784497466, 331426205715, 853409723277]

cp's OEIS Frontend

A125267 Number of Motzkin paths with no peaks and with level steps at height 0 having three colors except that consecutive level steps at height 0 must have different colors.

Table of values

List of values