A050431 - cp's OEIS frontend

A050431 Length of longest palindromic subword of (n base 3).

n	a(n)
1	1
2	1
3	1
4	2
5	1
6	1
7	1
8	2
9	2
10	3
11	1
12	2
13	3
14	2
15	1
16	3
17	2
18	2
19	1
20	3
21	1
22	2
23	3
24	2
25	2
26	3
27	3
28	4
29	2
30	3
31	3
32	3
33	3
34	1
35	2
36	2
37	3
38	2
39	3
40	4
41	3
42	2
43	3
44	2
45	2
46	1
47	3
48	3
49	3
50	3
51	2
52	4
53	3
54	3
55	2
56	4
57	3
58	2
59	1
60	3
61	3
62	3
63	2
64	3
65	1
66	2
67	3
68	4
69	3
70	3
71	3
72	2
73	2
74	3
75	2
76	2
77	3
78	3
79	3
80	4
81	4
82	5
83	3
84	4
85	4
86	4
87	3
88	2
89	2
90	3

[1, 1, 1, 2, 1, 1, 1, 2, 2, 3, 1, 2, 3, 2, 1, 3, 2, 2, 1, 3, 1, 2, 3, 2, 2, 3, 3, 4, 2, 3, 3, 3, 3, 1, 2, 2, 3, 2, 3, 4, 3, 2, 3, 2, 2, 1, 3, 3, 3, 3, 2, 4, 3, 3, 2, 4, 3, 2, 1, 3, 3, 3, 2, 3, 1, 2, 3, 4, 3, 3, 3, 2, 2, 3, 2, 2, 3, 3, 3, 4, 4, 5, 3, 4, 4, 4, 3, 2, 2, 3]

cp's OEIS Frontend

A050431 Length of longest palindromic subword of (n base 3).

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	2
5	1
6	1
7	1
8	2
9	2
10	3
11	1
12	2
13	3
14	2
15	1
16	3
17	2
18	2
19	1
20	3
21	1
22	2
23	3
24	2
25	2
26	3
27	3
28	4
29	2
30	3
31	3
32	3
33	3
34	1
35	2
36	2
37	3
38	2
39	3
40	4
41	3
42	2
43	3
44	2
45	2
46	1
47	3
48	3
49	3
50	3
51	2
52	4
53	3
54	3
55	2
56	4
57	3
58	2
59	1
60	3
61	3
62	3
63	2
64	3
65	1
66	2
67	3
68	4
69	3
70	3
71	3
72	2
73	2
74	3
75	2
76	2
77	3
78	3
79	3
80	4
81	4
82	5
83	3
84	4
85	4
86	4
87	3
88	2
89	2
90	3

n	a(n)
1	1
2	1
3	1
4	2
5	1
6	1
7	1
8	2
9	2
10	3
11	1
12	2
13	3
14	2
15	1
16	3
17	2
18	2
19	1
20	3
21	1
22	2
23	3
24	2
25	2
26	3
27	3
28	4
29	2
30	3
31	3
32	3
33	3
34	1
35	2
36	2
37	3
38	2
39	3
40	4
41	3
42	2
43	3
44	2
45	2
46	1
47	3
48	3
49	3
50	3
51	2
52	4
53	3
54	3
55	2
56	4
57	3
58	2
59	1
60	3
61	3
62	3
63	2
64	3
65	1
66	2
67	3
68	4
69	3
70	3
71	3
72	2
73	2
74	3
75	2
76	2
77	3
78	3
79	3
80	4
81	4
82	5
83	3
84	4
85	4
86	4
87	3
88	2
89	2
90	3

n	a(n)
1	1
2	1
3	1
4	2
5	1
6	1
7	1
8	2
9	2
10	3
11	1
12	2
13	3
14	2
15	1
16	3
17	2
18	2
19	1
20	3
21	1
22	2
23	3
24	2
25	2
26	3
27	3
28	4
29	2
30	3
31	3
32	3
33	3
34	1
35	2
36	2
37	3
38	2
39	3
40	4
41	3
42	2
43	3
44	2
45	2
46	1
47	3
48	3
49	3
50	3
51	2
52	4
53	3
54	3
55	2
56	4
57	3
58	2
59	1
60	3
61	3
62	3
63	2
64	3
65	1
66	2
67	3
68	4
69	3
70	3
71	3
72	2
73	2
74	3
75	2
76	2
77	3
78	3
79	3
80	4
81	4
82	5
83	3
84	4
85	4
86	4
87	3
88	2
89	2
90	3