A057890 - cp's OEIS frontend

A057890 In base 2, either a palindrome or becomes a palindrome if trailing 0's are omitted.

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	6
8	7
9	8
10	9
11	10
12	12
13	14
14	15
15	16
16	17
17	18
18	20
19	21
20	24
21	27
22	28
23	30
24	31
25	32
26	33
27	34
28	36
29	40
30	42
31	45
32	48
33	51
34	54
35	56
36	60
37	62
38	63
39	64
40	65
41	66
42	68
43	72
44	73
45	80
46	84
47	85
48	90
49	93
50	96
51	99
52	102
53	107
54	108
55	112
56	119
57	120
58	124
59	126
60	127
61	128
62	129
63	130
64	132
65	136
66	144
67	146

[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 17, 18, 20, 21, 24, 27, 28, 30, 31, 32, 33, 34, 36, 40, 42, 45, 48, 51, 54, 56, 60, 62, 63, 64, 65, 66, 68, 72, 73, 80, 84, 85, 90, 93, 96, 99, 102, 107, 108, 112, 119, 120, 124, 126, 127, 128, 129, 130, 132, 136, 144, 146]

cp's OEIS Frontend

A057890 In base 2, either a palindrome or becomes a palindrome if trailing 0's are omitted.

Table of values

List of values

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	6
8	7
9	8
10	9
11	10
12	12
13	14
14	15
15	16
16	17
17	18
18	20
19	21
20	24
21	27
22	28
23	30
24	31
25	32
26	33
27	34
28	36
29	40
30	42
31	45
32	48
33	51
34	54
35	56
36	60
37	62
38	63
39	64
40	65
41	66
42	68
43	72
44	73
45	80
46	84
47	85
48	90
49	93
50	96
51	99
52	102
53	107
54	108
55	112
56	119
57	120
58	124
59	126
60	127
61	128
62	129
63	130
64	132
65	136
66	144
67	146

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	6
8	7
9	8
10	9
11	10
12	12
13	14
14	15
15	16
16	17
17	18
18	20
19	21
20	24
21	27
22	28
23	30
24	31
25	32
26	33
27	34
28	36
29	40
30	42
31	45
32	48
33	51
34	54
35	56
36	60
37	62
38	63
39	64
40	65
41	66
42	68
43	72
44	73
45	80
46	84
47	85
48	90
49	93
50	96
51	99
52	102
53	107
54	108
55	112
56	119
57	120
58	124
59	126
60	127
61	128
62	129
63	130
64	132
65	136
66	144
67	146

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	6
8	7
9	8
10	9
11	10
12	12
13	14
14	15
15	16
16	17
17	18
18	20
19	21
20	24
21	27
22	28
23	30
24	31
25	32
26	33
27	34
28	36
29	40
30	42
31	45
32	48
33	51
34	54
35	56
36	60
37	62
38	63
39	64
40	65
41	66
42	68
43	72
44	73
45	80
46	84
47	85
48	90
49	93
50	96
51	99
52	102
53	107
54	108
55	112
56	119
57	120
58	124
59	126
60	127
61	128
62	129
63	130
64	132
65	136
66	144
67	146