A091951 - cp's OEIS frontend

A091951 Let R_{k}(m) = the digit reversal of m in base k (R_{k}(m) is written in base 10). a(n) is the smallest m such that R_{k}(m) = n, where k >= 2.

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

[0, 1, 2, 3, 4, 5, 6, 5, 8, 6, 10, 7, 12, 7, 11, 9, 8, 10, 18, 9, 15, 9, 10, 13, 24, 10, 16, 15, 12, 11, 18, 11, 17, 12, 14, 19, 12, 13, 22, 21, 16, 13, 21, 13, 20, 15, 14, 23, 32, 14, 22, 15, 20, 17, 30, 15, 16, 15, 22, 31, 39, 16, 26, 33, 16, 20, 18, 17, 28, 21, 26, 17, 27, 17, 26]

cp's OEIS Frontend

A091951 Let R_{k}(m) = the digit reversal of m in base k (R_{k}(m) is written in base 10). a(n) is the smallest m such that R_{k}(m) = n, where k >= 2.

Table of values

List of values

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

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

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