A120909 - cp's OEIS frontend

A120909 Triangle read by rows: T(n,k) is the number of ternary words of length n having k runs (i.e., subwords of maximal length) of identical letters (1 <= k <= n).

n	a(n)
1	3
2	3
3	6
4	3
5	12
6	12
7	3
8	18
9	36
10	24
11	3
12	24
13	72
14	96
15	48
16	3
17	30
18	120
19	240
20	240
21	96
22	3
23	36
24	180
25	480
26	720
27	576
28	192
29	3
30	42
31	252
32	840
33	1680
34	2016
35	1344
36	384
37	3
38	48
39	336
40	1344
41	3360
42	5376
43	5376
44	3072
45	768
46	3
47	54
48	432
49	2016
50	6048
51	12096
52	16128
53	13824
54	6912
55	1536
56	3
57	60

[3, 3, 6, 3, 12, 12, 3, 18, 36, 24, 3, 24, 72, 96, 48, 3, 30, 120, 240, 240, 96, 3, 36, 180, 480, 720, 576, 192, 3, 42, 252, 840, 1680, 2016, 1344, 384, 3, 48, 336, 1344, 3360, 5376, 5376, 3072, 768, 3, 54, 432, 2016, 6048, 12096, 16128, 13824, 6912, 1536, 3, 60]

cp's OEIS Frontend

A120909 Triangle read by rows: T(n,k) is the number of ternary words of length n having k runs (i.e., subwords of maximal length) of identical letters (1 <= k <= n).

Table of values

List of values