A265511 - cp's OEIS frontend

A265511 a(n) = largest base-3 palindrome m <= n such that every base-3 digit of m is <= the corresponding digit of n; m is written in base 10.

n	a(n)
0	0
1	1
2	2
3	0
4	4
5	4
6	0
7	4
8	8
9	0
10	10
11	10
12	0
13	13
14	13
15	0
16	16
17	16
18	0
19	10
20	20
21	0
22	13
23	23
24	0
25	16
26	26
27	0
28	28
29	28
30	0
31	28
32	28
33	0
34	28
35	28
36	0
37	28
38	28
39	0
40	40
41	40
42	0
43	40
44	40
45	0
46	28
47	28
48	0
49	40
50	40
51	0
52	52
53	52
54	0
55	28
56	56
57	0
58	28
59	56
60	0
61	28
62	56
63	0
64	28
65	56
66	0
67	40
68	68
69	0
70	40
71	68
72	0
73	28
74	56
75	0
76	40
77	68
78	0
79	52
80	80
81	0
82	82
83	82
84	0
85	82
86	82
87	0
88	82

[0, 1, 2, 0, 4, 4, 0, 4, 8, 0, 10, 10, 0, 13, 13, 0, 16, 16, 0, 10, 20, 0, 13, 23, 0, 16, 26, 0, 28, 28, 0, 28, 28, 0, 28, 28, 0, 28, 28, 0, 40, 40, 0, 40, 40, 0, 28, 28, 0, 40, 40, 0, 52, 52, 0, 28, 56, 0, 28, 56, 0, 28, 56, 0, 28, 56, 0, 40, 68, 0, 40, 68, 0, 28, 56, 0, 40, 68, 0, 52, 80, 0, 82, 82, 0, 82, 82, 0, 82]

cp's OEIS Frontend

A265511 a(n) = largest base-3 palindrome m <= n such that every base-3 digit of m is <= the corresponding digit of n; m is written in base 10.

Table of values

List of values

n	a(n)
0	0
1	1
2	2
3	0
4	4
5	4
6	0
7	4
8	8
9	0
10	10
11	10
12	0
13	13
14	13
15	0
16	16
17	16
18	0
19	10
20	20
21	0
22	13
23	23
24	0
25	16
26	26
27	0
28	28
29	28
30	0
31	28
32	28
33	0
34	28
35	28
36	0
37	28
38	28
39	0
40	40
41	40
42	0
43	40
44	40
45	0
46	28
47	28
48	0
49	40
50	40
51	0
52	52
53	52
54	0
55	28
56	56
57	0
58	28
59	56
60	0
61	28
62	56
63	0
64	28
65	56
66	0
67	40
68	68
69	0
70	40
71	68
72	0
73	28
74	56
75	0
76	40
77	68
78	0
79	52
80	80
81	0
82	82
83	82
84	0
85	82
86	82
87	0
88	82

n	a(n)
0	0
1	1
2	2
3	0
4	4
5	4
6	0
7	4
8	8
9	0
10	10
11	10
12	0
13	13
14	13
15	0
16	16
17	16
18	0
19	10
20	20
21	0
22	13
23	23
24	0
25	16
26	26
27	0
28	28
29	28
30	0
31	28
32	28
33	0
34	28
35	28
36	0
37	28
38	28
39	0
40	40
41	40
42	0
43	40
44	40
45	0
46	28
47	28
48	0
49	40
50	40
51	0
52	52
53	52
54	0
55	28
56	56
57	0
58	28
59	56
60	0
61	28
62	56
63	0
64	28
65	56
66	0
67	40
68	68
69	0
70	40
71	68
72	0
73	28
74	56
75	0
76	40
77	68
78	0
79	52
80	80
81	0
82	82
83	82
84	0
85	82
86	82
87	0
88	82

n	a(n)
0	0
1	1
2	2
3	0
4	4
5	4
6	0
7	4
8	8
9	0
10	10
11	10
12	0
13	13
14	13
15	0
16	16
17	16
18	0
19	10
20	20
21	0
22	13
23	23
24	0
25	16
26	26
27	0
28	28
29	28
30	0
31	28
32	28
33	0
34	28
35	28
36	0
37	28
38	28
39	0
40	40
41	40
42	0
43	40
44	40
45	0
46	28
47	28
48	0
49	40
50	40
51	0
52	52
53	52
54	0
55	28
56	56
57	0
58	28
59	56
60	0
61	28
62	56
63	0
64	28
65	56
66	0
67	40
68	68
69	0
70	40
71	68
72	0
73	28
74	56
75	0
76	40
77	68
78	0
79	52
80	80
81	0
82	82
83	82
84	0
85	82
86	82
87	0
88	82