A214424 - cp's OEIS frontend

A214424 Numbers that are palindromic in exactly two bases b, 2 <= b <= 10.

n	a(n)
1	15
2	16
3	17
4	18
5	20
6	24
7	26
8	27
9	28
10	31
11	33
12	36
13	45
14	46
15	50
16	51
17	52
18	57
19	67
20	73
21	78
22	82
23	88
24	91
25	92
26	93
27	98
28	99
29	104
30	105
31	107
32	109
33	111
34	114
35	119
36	127
37	129
38	135
39	141
40	142
41	150
42	151
43	160
44	170
45	171
46	173
47	182
48	185
49	186
50	200
51	209
52	212
53	215
54	219
55	227
56	246
57	252

[15, 16, 17, 18, 20, 24, 26, 27, 28, 31, 33, 36, 45, 46, 50, 51, 52, 57, 67, 73, 78, 82, 88, 91, 92, 93, 98, 99, 104, 105, 107, 109, 111, 114, 119, 127, 129, 135, 141, 142, 150, 151, 160, 170, 171, 173, 182, 185, 186, 200, 209, 212, 215, 219, 227, 246, 252]

cp's OEIS Frontend

A214424 Numbers that are palindromic in exactly two bases b, 2 <= b <= 10.

Table of values

List of values

n	a(n)
1	15
2	16
3	17
4	18
5	20
6	24
7	26
8	27
9	28
10	31
11	33
12	36
13	45
14	46
15	50
16	51
17	52
18	57
19	67
20	73
21	78
22	82
23	88
24	91
25	92
26	93
27	98
28	99
29	104
30	105
31	107
32	109
33	111
34	114
35	119
36	127
37	129
38	135
39	141
40	142
41	150
42	151
43	160
44	170
45	171
46	173
47	182
48	185
49	186
50	200
51	209
52	212
53	215
54	219
55	227
56	246
57	252

n	a(n)
1	15
2	16
3	17
4	18
5	20
6	24
7	26
8	27
9	28
10	31
11	33
12	36
13	45
14	46
15	50
16	51
17	52
18	57
19	67
20	73
21	78
22	82
23	88
24	91
25	92
26	93
27	98
28	99
29	104
30	105
31	107
32	109
33	111
34	114
35	119
36	127
37	129
38	135
39	141
40	142
41	150
42	151
43	160
44	170
45	171
46	173
47	182
48	185
49	186
50	200
51	209
52	212
53	215
54	219
55	227
56	246
57	252

n	a(n)
1	15
2	16
3	17
4	18
5	20
6	24
7	26
8	27
9	28
10	31
11	33
12	36
13	45
14	46
15	50
16	51
17	52
18	57
19	67
20	73
21	78
22	82
23	88
24	91
25	92
26	93
27	98
28	99
29	104
30	105
31	107
32	109
33	111
34	114
35	119
36	127
37	129
38	135
39	141
40	142
41	150
42	151
43	160
44	170
45	171
46	173
47	182
48	185
49	186
50	200
51	209
52	212
53	215
54	219
55	227
56	246
57	252