A039005 - cp's OEIS frontend

A039005 Numbers whose base-4 representation has the same number of 1's and 3's.

n	a(n)
1	0
2	2
3	7
4	8
5	10
6	13
7	19
8	27
9	28
10	30
11	32
12	34
13	39
14	40
15	42
16	45
17	49
18	52
19	54
20	57
21	67
22	75
23	76
24	78
25	95
26	99
27	107
28	108
29	110
30	112
31	114
32	119
33	120
34	122
35	125
36	128
37	130
38	135
39	136
40	138
41	141
42	147
43	155
44	156
45	158
46	160
47	162
48	167
49	168
50	170
51	173
52	177
53	180
54	182
55	185
56	193
57	196
58	198

[0, 2, 7, 8, 10, 13, 19, 27, 28, 30, 32, 34, 39, 40, 42, 45, 49, 52, 54, 57, 67, 75, 76, 78, 95, 99, 107, 108, 110, 112, 114, 119, 120, 122, 125, 128, 130, 135, 136, 138, 141, 147, 155, 156, 158, 160, 162, 167, 168, 170, 173, 177, 180, 182, 185, 193, 196, 198]

cp's OEIS Frontend

A039005 Numbers whose base-4 representation has the same number of 1's and 3's.

Table of values

List of values

n	a(n)
1	0
2	2
3	7
4	8
5	10
6	13
7	19
8	27
9	28
10	30
11	32
12	34
13	39
14	40
15	42
16	45
17	49
18	52
19	54
20	57
21	67
22	75
23	76
24	78
25	95
26	99
27	107
28	108
29	110
30	112
31	114
32	119
33	120
34	122
35	125
36	128
37	130
38	135
39	136
40	138
41	141
42	147
43	155
44	156
45	158
46	160
47	162
48	167
49	168
50	170
51	173
52	177
53	180
54	182
55	185
56	193
57	196
58	198

n	a(n)
1	0
2	2
3	7
4	8
5	10
6	13
7	19
8	27
9	28
10	30
11	32
12	34
13	39
14	40
15	42
16	45
17	49
18	52
19	54
20	57
21	67
22	75
23	76
24	78
25	95
26	99
27	107
28	108
29	110
30	112
31	114
32	119
33	120
34	122
35	125
36	128
37	130
38	135
39	136
40	138
41	141
42	147
43	155
44	156
45	158
46	160
47	162
48	167
49	168
50	170
51	173
52	177
53	180
54	182
55	185
56	193
57	196
58	198

n	a(n)
1	0
2	2
3	7
4	8
5	10
6	13
7	19
8	27
9	28
10	30
11	32
12	34
13	39
14	40
15	42
16	45
17	49
18	52
19	54
20	57
21	67
22	75
23	76
24	78
25	95
26	99
27	107
28	108
29	110
30	112
31	114
32	119
33	120
34	122
35	125
36	128
37	130
38	135
39	136
40	138
41	141
42	147
43	155
44	156
45	158
46	160
47	162
48	167
49	168
50	170
51	173
52	177
53	180
54	182
55	185
56	193
57	196
58	198