A265519 - cp's OEIS frontend

A265519 a(n) = largest base-7 palindrome m <= n such that every base-7 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	3
4	4
5	5
6	6
7	0
8	8
9	8
10	8
11	8
12	8
13	8
14	0
15	8
16	16
17	16
18	16
19	16
20	16
21	0
22	8
23	16
24	24
25	24
26	24
27	24
28	0
29	8
30	16
31	24
32	32
33	32
34	32
35	0
36	8
37	16
38	24
39	32
40	40
41	40
42	0
43	8
44	16
45	24
46	32
47	40
48	48
49	0
50	50
51	50
52	50
53	50
54	50
55	50
56	0
57	57
58	57
59	57
60	57
61	57
62	57
63	0
64	64
65	64
66	64
67	64
68	64
69	64
70	0
71	71
72	71
73	71
74	71
75	71
76	71
77	0
78	78
79	78
80	78
81	78
82	78
83	78
84	0
85	85
86	85

[0, 1, 2, 3, 4, 5, 6, 0, 8, 8, 8, 8, 8, 8, 0, 8, 16, 16, 16, 16, 16, 0, 8, 16, 24, 24, 24, 24, 0, 8, 16, 24, 32, 32, 32, 0, 8, 16, 24, 32, 40, 40, 0, 8, 16, 24, 32, 40, 48, 0, 50, 50, 50, 50, 50, 50, 0, 57, 57, 57, 57, 57, 57, 0, 64, 64, 64, 64, 64, 64, 0, 71, 71, 71, 71, 71, 71, 0, 78, 78, 78, 78, 78, 78, 0, 85, 85]

cp's OEIS Frontend

A265519 a(n) = largest base-7 palindrome m <= n such that every base-7 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	3
4	4
5	5
6	6
7	0
8	8
9	8
10	8
11	8
12	8
13	8
14	0
15	8
16	16
17	16
18	16
19	16
20	16
21	0
22	8
23	16
24	24
25	24
26	24
27	24
28	0
29	8
30	16
31	24
32	32
33	32
34	32
35	0
36	8
37	16
38	24
39	32
40	40
41	40
42	0
43	8
44	16
45	24
46	32
47	40
48	48
49	0
50	50
51	50
52	50
53	50
54	50
55	50
56	0
57	57
58	57
59	57
60	57
61	57
62	57
63	0
64	64
65	64
66	64
67	64
68	64
69	64
70	0
71	71
72	71
73	71
74	71
75	71
76	71
77	0
78	78
79	78
80	78
81	78
82	78
83	78
84	0
85	85
86	85

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

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