A265523 - cp's OEIS frontend

A265523 a(n) = largest base-9 palindrome m <= n such that every base-9 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	7
8	8
9	0
10	10
11	10
12	10
13	10
14	10
15	10
16	10
17	10
18	0
19	10
20	20
21	20
22	20
23	20
24	20
25	20
26	20
27	0
28	10
29	20
30	30
31	30
32	30
33	30
34	30
35	30
36	0
37	10
38	20
39	30
40	40
41	40
42	40
43	40
44	40
45	0
46	10
47	20
48	30
49	40
50	50
51	50
52	50
53	50
54	0
55	10
56	20
57	30
58	40
59	50
60	60
61	60
62	60
63	0
64	10
65	20
66	30
67	40
68	50
69	60
70	70
71	70
72	0
73	10
74	20
75	30
76	40
77	50
78	60
79	70
80	80
81	0
82	82
83	82

[0, 1, 2, 3, 4, 5, 6, 7, 8, 0, 10, 10, 10, 10, 10, 10, 10, 10, 0, 10, 20, 20, 20, 20, 20, 20, 20, 0, 10, 20, 30, 30, 30, 30, 30, 30, 0, 10, 20, 30, 40, 40, 40, 40, 40, 0, 10, 20, 30, 40, 50, 50, 50, 50, 0, 10, 20, 30, 40, 50, 60, 60, 60, 0, 10, 20, 30, 40, 50, 60, 70, 70, 0, 10, 20, 30, 40, 50, 60, 70, 80, 0, 82, 82]

cp's OEIS Frontend

A265523 a(n) = largest base-9 palindrome m <= n such that every base-9 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	7
8	8
9	0
10	10
11	10
12	10
13	10
14	10
15	10
16	10
17	10
18	0
19	10
20	20
21	20
22	20
23	20
24	20
25	20
26	20
27	0
28	10
29	20
30	30
31	30
32	30
33	30
34	30
35	30
36	0
37	10
38	20
39	30
40	40
41	40
42	40
43	40
44	40
45	0
46	10
47	20
48	30
49	40
50	50
51	50
52	50
53	50
54	0
55	10
56	20
57	30
58	40
59	50
60	60
61	60
62	60
63	0
64	10
65	20
66	30
67	40
68	50
69	60
70	70
71	70
72	0
73	10
74	20
75	30
76	40
77	50
78	60
79	70
80	80
81	0
82	82
83	82

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

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