A253594 - cp's OEIS frontend

A253594 Numbers n that have more than one palindromic representation in bases 2 <= b <= n-2.

n	a(n)
1	10
2	15
3	16
4	17
5	18
6	20
7	21
8	24
9	26
10	27
11	28
12	30
13	31
14	32
15	33
16	34
17	36
18	38
19	40
20	42
21	44
22	45
23	46
24	48
25	50
26	51
27	52
28	54
29	55
30	56
31	57
32	60
33	62
34	63
35	64
36	65
37	66
38	67
39	68
40	70
41	72
42	73
43	74
44	75
45	76
46	78
47	80
48	81
49	82
50	84
51	85
52	86
53	88
54	90
55	91
56	92
57	93
58	96
59	98
60	99
61	100
62	102
63	104
64	105
65	107
66	108
67	109
68	110
69	111
70	112
71	114
72	116
73	117
74	118
75	119
76	120
77	121
78	122
79	123
80	124

[10, 15, 16, 17, 18, 20, 21, 24, 26, 27, 28, 30, 31, 32, 33, 34, 36, 38, 40, 42, 44, 45, 46, 48, 50, 51, 52, 54, 55, 56, 57, 60, 62, 63, 64, 65, 66, 67, 68, 70, 72, 73, 74, 75, 76, 78, 80, 81, 82, 84, 85, 86, 88, 90, 91, 92, 93, 96, 98, 99, 100, 102, 104, 105, 107, 108, 109, 110, 111, 112, 114, 116, 117, 118, 119, 120, 121, 122, 123, 124]

cp's OEIS Frontend

A253594 Numbers n that have more than one palindromic representation in bases 2 <= b <= n-2.

Table of values

List of values

n	a(n)
1	10
2	15
3	16
4	17
5	18
6	20
7	21
8	24
9	26
10	27
11	28
12	30
13	31
14	32
15	33
16	34
17	36
18	38
19	40
20	42
21	44
22	45
23	46
24	48
25	50
26	51
27	52
28	54
29	55
30	56
31	57
32	60
33	62
34	63
35	64
36	65
37	66
38	67
39	68
40	70
41	72
42	73
43	74
44	75
45	76
46	78
47	80
48	81
49	82
50	84
51	85
52	86
53	88
54	90
55	91
56	92
57	93
58	96
59	98
60	99
61	100
62	102
63	104
64	105
65	107
66	108
67	109
68	110
69	111
70	112
71	114
72	116
73	117
74	118
75	119
76	120
77	121
78	122
79	123
80	124

n	a(n)
1	10
2	15
3	16
4	17
5	18
6	20
7	21
8	24
9	26
10	27
11	28
12	30
13	31
14	32
15	33
16	34
17	36
18	38
19	40
20	42
21	44
22	45
23	46
24	48
25	50
26	51
27	52
28	54
29	55
30	56
31	57
32	60
33	62
34	63
35	64
36	65
37	66
38	67
39	68
40	70
41	72
42	73
43	74
44	75
45	76
46	78
47	80
48	81
49	82
50	84
51	85
52	86
53	88
54	90
55	91
56	92
57	93
58	96
59	98
60	99
61	100
62	102
63	104
64	105
65	107
66	108
67	109
68	110
69	111
70	112
71	114
72	116
73	117
74	118
75	119
76	120
77	121
78	122
79	123
80	124

n	a(n)
1	10
2	15
3	16
4	17
5	18
6	20
7	21
8	24
9	26
10	27
11	28
12	30
13	31
14	32
15	33
16	34
17	36
18	38
19	40
20	42
21	44
22	45
23	46
24	48
25	50
26	51
27	52
28	54
29	55
30	56
31	57
32	60
33	62
34	63
35	64
36	65
37	66
38	67
39	68
40	70
41	72
42	73
43	74
44	75
45	76
46	78
47	80
48	81
49	82
50	84
51	85
52	86
53	88
54	90
55	91
56	92
57	93
58	96
59	98
60	99
61	100
62	102
63	104
64	105
65	107
66	108
67	109
68	110
69	111
70	112
71	114
72	116
73	117
74	118
75	119
76	120
77	121
78	122
79	123
80	124