A274111 - cp's OEIS frontend

A274111 Number of equivalence classes of ballot paths of length n for the string ddd.

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	1
6	2
7	3
8	5
9	7
10	10
11	13
12	20
13	28
14	45
15	65
16	101
17	143
18	222
19	317
20	500
21	726
22	1143
23	1661
24	2608
25	3796
26	5983
27	8764
28	13835
29	20335
30	32089
31	47251
32	74637
33	110227
34	174302
35	258095
36	408276
37	605664
38	958551
39	1424659
40	2256136
41	3359446
42	5322449
43	7937666
44	12580545

[1, 1, 1, 1, 1, 1, 2, 3, 5, 7, 10, 13, 20, 28, 45, 65, 101, 143, 222, 317, 500, 726, 1143, 1661, 2608, 3796, 5983, 8764, 13835, 20335, 32089, 47251, 74637, 110227, 174302, 258095, 408276, 605664, 958551, 1424659, 2256136, 3359446, 5322449, 7937666, 12580545]

cp's OEIS Frontend

A274111 Number of equivalence classes of ballot paths of length n for the string ddd.

Table of values

List of values