A262257 - cp's OEIS frontend

A262257 Minimal number of editing steps (delete, insert or substitute) to transform n in decimal representation into the largest palindrome <= n.

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

[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 0, 1, 1, 1, 1, 1, 1, 1, 2, 2, 1, 0, 1, 1, 1, 1, 1, 1, 2, 2, 2, 1, 0, 1, 1, 1, 1, 1, 2, 2, 2, 2, 1, 0, 1, 1, 1, 1, 2, 2, 2, 2, 2, 1, 0, 1, 1, 1, 2, 2, 2, 2, 2, 2, 1, 0, 1, 1, 2, 2, 2, 2, 2, 2]

cp's OEIS Frontend

A262257 Minimal number of editing steps (delete, insert or substitute) to transform n in decimal representation into the largest palindrome <= n.

Table of values

List of values

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

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

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