A067285 - cp's OEIS frontend

A067285 a(n) = smallest integer k such that k is not of the form m + reverse(m) for any m (cf. A067031) and A067030(n) occurs in the 'Reverse and Add' trajectory of k.

n	a(n)
0	0
1	1
2	1
3	3
4	1
5	5
6	5
7	3
8	7
9	1
10	9
11	5
12	3
13	5
14	7
15	3
16	1
17	5
18	9
19	100
20	7
21	7
22	3
23	120
24	49
25	1
26	130
27	69
28	5
29	140
30	89
31	9
32	150
33	100
34	160
35	111
36	170
37	7
38	180
39	131
40	190
41	120
42	151
43	102
44	130
45	112
46	171
47	122
48	140
49	3
50	191
51	142
52	152
53	100
54	162
55	113
56	172
57	111
58	182
59	133
60	192
61	7
62	153
63	104
64	131
65	114

[0, 1, 1, 3, 1, 5, 5, 3, 7, 1, 9, 5, 3, 5, 7, 3, 1, 5, 9, 100, 7, 7, 3, 120, 49, 1, 130, 69, 5, 140, 89, 9, 150, 100, 160, 111, 170, 7, 180, 131, 190, 120, 151, 102, 130, 112, 171, 122, 140, 3, 191, 142, 152, 100, 162, 113, 172, 111, 182, 133, 192, 7, 153, 104, 131, 114]

cp's OEIS Frontend

A067285 a(n) = smallest integer k such that k is not of the form m + reverse(m) for any m (cf. A067031) and A067030(n) occurs in the 'Reverse and Add' trajectory of k.

Table of values

List of values

n	a(n)
0	0
1	1
2	1
3	3
4	1
5	5
6	5
7	3
8	7
9	1
10	9
11	5
12	3
13	5
14	7
15	3
16	1
17	5
18	9
19	100
20	7
21	7
22	3
23	120
24	49
25	1
26	130
27	69
28	5
29	140
30	89
31	9
32	150
33	100
34	160
35	111
36	170
37	7
38	180
39	131
40	190
41	120
42	151
43	102
44	130
45	112
46	171
47	122
48	140
49	3
50	191
51	142
52	152
53	100
54	162
55	113
56	172
57	111
58	182
59	133
60	192
61	7
62	153
63	104
64	131
65	114

n	a(n)
0	0
1	1
2	1
3	3
4	1
5	5
6	5
7	3
8	7
9	1
10	9
11	5
12	3
13	5
14	7
15	3
16	1
17	5
18	9
19	100
20	7
21	7
22	3
23	120
24	49
25	1
26	130
27	69
28	5
29	140
30	89
31	9
32	150
33	100
34	160
35	111
36	170
37	7
38	180
39	131
40	190
41	120
42	151
43	102
44	130
45	112
46	171
47	122
48	140
49	3
50	191
51	142
52	152
53	100
54	162
55	113
56	172
57	111
58	182
59	133
60	192
61	7
62	153
63	104
64	131
65	114

n	a(n)
0	0
1	1
2	1
3	3
4	1
5	5
6	5
7	3
8	7
9	1
10	9
11	5
12	3
13	5
14	7
15	3
16	1
17	5
18	9
19	100
20	7
21	7
22	3
23	120
24	49
25	1
26	130
27	69
28	5
29	140
30	89
31	9
32	150
33	100
34	160
35	111
36	170
37	7
38	180
39	131
40	190
41	120
42	151
43	102
44	130
45	112
46	171
47	122
48	140
49	3
50	191
51	142
52	152
53	100
54	162
55	113
56	172
57	111
58	182
59	133
60	192
61	7
62	153
63	104
64	131
65	114