A031461 - cp's OEIS frontend

A031461 Numbers whose base-4 representation has the same number of 0's as 3's.

n	a(n)
1	1
2	2
3	5
4	6
5	9
6	10
7	12
8	19
9	21
10	22
11	25
12	26
13	28
14	35
15	37
16	38
17	41
18	42
19	44
20	49
21	50
22	52
23	56
24	71
25	75
26	77
27	78
28	83
29	85
30	86
31	89
32	90
33	92
34	99
35	101
36	102
37	105
38	106
39	108
40	113
41	114
42	116
43	120
44	135
45	139
46	141
47	142
48	147
49	149
50	150
51	153
52	154
53	156
54	163
55	165

[1, 2, 5, 6, 9, 10, 12, 19, 21, 22, 25, 26, 28, 35, 37, 38, 41, 42, 44, 49, 50, 52, 56, 71, 75, 77, 78, 83, 85, 86, 89, 90, 92, 99, 101, 102, 105, 106, 108, 113, 114, 116, 120, 135, 139, 141, 142, 147, 149, 150, 153, 154, 156, 163, 165]

cp's OEIS Frontend

A031461 Numbers whose base-4 representation has the same number of 0's as 3's.

Table of values

List of values

n	a(n)
1	1
2	2
3	5
4	6
5	9
6	10
7	12
8	19
9	21
10	22
11	25
12	26
13	28
14	35
15	37
16	38
17	41
18	42
19	44
20	49
21	50
22	52
23	56
24	71
25	75
26	77
27	78
28	83
29	85
30	86
31	89
32	90
33	92
34	99
35	101
36	102
37	105
38	106
39	108
40	113
41	114
42	116
43	120
44	135
45	139
46	141
47	142
48	147
49	149
50	150
51	153
52	154
53	156
54	163
55	165

n	a(n)
1	1
2	2
3	5
4	6
5	9
6	10
7	12
8	19
9	21
10	22
11	25
12	26
13	28
14	35
15	37
16	38
17	41
18	42
19	44
20	49
21	50
22	52
23	56
24	71
25	75
26	77
27	78
28	83
29	85
30	86
31	89
32	90
33	92
34	99
35	101
36	102
37	105
38	106
39	108
40	113
41	114
42	116
43	120
44	135
45	139
46	141
47	142
48	147
49	149
50	150
51	153
52	154
53	156
54	163
55	165

n	a(n)
1	1
2	2
3	5
4	6
5	9
6	10
7	12
8	19
9	21
10	22
11	25
12	26
13	28
14	35
15	37
16	38
17	41
18	42
19	44
20	49
21	50
22	52
23	56
24	71
25	75
26	77
27	78
28	83
29	85
30	86
31	89
32	90
33	92
34	99
35	101
36	102
37	105
38	106
39	108
40	113
41	114
42	116
43	120
44	135
45	139
46	141
47	142
48	147
49	149
50	150
51	153
52	154
53	156
54	163
55	165