A023713 - cp's OEIS frontend

A023713 Numbers with no 2's in their base 4 expansion.

n	a(n)
1	0
2	1
3	3
4	4
5	5
6	7
7	12
8	13
9	15
10	16
11	17
12	19
13	20
14	21
15	23
16	28
17	29
18	31
19	48
20	49
21	51
22	52
23	53
24	55
25	60
26	61
27	63
28	64
29	65
30	67
31	68
32	69
33	71
34	76
35	77
36	79
37	80
38	81
39	83
40	84
41	85
42	87
43	92
44	93
45	95
46	112
47	113
48	115
49	116
50	117
51	119
52	124
53	125
54	127
55	192
56	193
57	195
58	196

[0, 1, 3, 4, 5, 7, 12, 13, 15, 16, 17, 19, 20, 21, 23, 28, 29, 31, 48, 49, 51, 52, 53, 55, 60, 61, 63, 64, 65, 67, 68, 69, 71, 76, 77, 79, 80, 81, 83, 84, 85, 87, 92, 93, 95, 112, 113, 115, 116, 117, 119, 124, 125, 127, 192, 193, 195, 196]

cp's OEIS Frontend

A023713 Numbers with no 2's in their base 4 expansion.

Table of values

List of values

n	a(n)
1	0
2	1
3	3
4	4
5	5
6	7
7	12
8	13
9	15
10	16
11	17
12	19
13	20
14	21
15	23
16	28
17	29
18	31
19	48
20	49
21	51
22	52
23	53
24	55
25	60
26	61
27	63
28	64
29	65
30	67
31	68
32	69
33	71
34	76
35	77
36	79
37	80
38	81
39	83
40	84
41	85
42	87
43	92
44	93
45	95
46	112
47	113
48	115
49	116
50	117
51	119
52	124
53	125
54	127
55	192
56	193
57	195
58	196

n	a(n)
1	0
2	1
3	3
4	4
5	5
6	7
7	12
8	13
9	15
10	16
11	17
12	19
13	20
14	21
15	23
16	28
17	29
18	31
19	48
20	49
21	51
22	52
23	53
24	55
25	60
26	61
27	63
28	64
29	65
30	67
31	68
32	69
33	71
34	76
35	77
36	79
37	80
38	81
39	83
40	84
41	85
42	87
43	92
44	93
45	95
46	112
47	113
48	115
49	116
50	117
51	119
52	124
53	125
54	127
55	192
56	193
57	195
58	196

n	a(n)
1	0
2	1
3	3
4	4
5	5
6	7
7	12
8	13
9	15
10	16
11	17
12	19
13	20
14	21
15	23
16	28
17	29
18	31
19	48
20	49
21	51
22	52
23	53
24	55
25	60
26	61
27	63
28	64
29	65
30	67
31	68
32	69
33	71
34	76
35	77
36	79
37	80
38	81
39	83
40	84
41	85
42	87
43	92
44	93
45	95
46	112
47	113
48	115
49	116
50	117
51	119
52	124
53	125
54	127
55	192
56	193
57	195
58	196