A329023 - cp's OEIS frontend

A329023 Number of length-n ternary words having at most 5 palindromic subwords (including the empty word).

n	a(n)
0	1
1	3
2	9
3	27
4	81
5	42
6	54
7	66
8	78
9	96
10	120
11	144
12	174
13	216
14	264
15	318
16	390
17	480
18	582
19	708
20	870
21	1062
22	1290
23	1578
24	1932
25	2352
26	2868
27	3510
28	4284
29	5220
30	6378
31	7794
32	9504
33	11598
34	14172
35	17298
36	21102
37	25770
38	31470
39	38400
40	46872
41	57240
42	69870
43	85272
44	104112
45	127110
46	155142

[1, 3, 9, 27, 81, 42, 54, 66, 78, 96, 120, 144, 174, 216, 264, 318, 390, 480, 582, 708, 870, 1062, 1290, 1578, 1932, 2352, 2868, 3510, 4284, 5220, 6378, 7794, 9504, 11598, 14172, 17298, 21102, 25770, 31470, 38400, 46872, 57240, 69870, 85272, 104112, 127110, 155142]

cp's OEIS Frontend

A329023 Number of length-n ternary words having at most 5 palindromic subwords (including the empty word).

Table of values

List of values