A365018 - cp's OEIS frontend

A365018 a(n) is the least positive integer not already in the sequence whose binary expansion is not the concatenation of any two earlier terms.

n	a(n)
1	1
2	2
3	3
4	4
5	8
6	10
7	13
8	15
9	16
10	22
11	23
12	25
13	30
14	32
15	36
16	37
17	38
18	39
19	41
20	44
21	46
22	49
23	50
24	52
25	53
26	59
27	60
28	64
29	69
30	70
31	71
32	76
33	78
34	81
35	82
36	85
37	88
38	92
39	97
40	98
41	104
42	106
43	109
44	111
45	115
46	120
47	125
48	127
49	128
50	133
51	134
52	135
53	136
54	137
55	140
56	142
57	145
58	148
59	149
60	152
61	156
62	161
63	162
64	170
65	176
66	182

[1, 2, 3, 4, 8, 10, 13, 15, 16, 22, 23, 25, 30, 32, 36, 37, 38, 39, 41, 44, 46, 49, 50, 52, 53, 59, 60, 64, 69, 70, 71, 76, 78, 81, 82, 85, 88, 92, 97, 98, 104, 106, 109, 111, 115, 120, 125, 127, 128, 133, 134, 135, 136, 137, 140, 142, 145, 148, 149, 152, 156, 161, 162, 170, 176, 182]

cp's OEIS Frontend

A365018 a(n) is the least positive integer not already in the sequence whose binary expansion is not the concatenation of any two earlier terms.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	8
6	10
7	13
8	15
9	16
10	22
11	23
12	25
13	30
14	32
15	36
16	37
17	38
18	39
19	41
20	44
21	46
22	49
23	50
24	52
25	53
26	59
27	60
28	64
29	69
30	70
31	71
32	76
33	78
34	81
35	82
36	85
37	88
38	92
39	97
40	98
41	104
42	106
43	109
44	111
45	115
46	120
47	125
48	127
49	128
50	133
51	134
52	135
53	136
54	137
55	140
56	142
57	145
58	148
59	149
60	152
61	156
62	161
63	162
64	170
65	176
66	182

n	a(n)
1	1
2	2
3	3
4	4
5	8
6	10
7	13
8	15
9	16
10	22
11	23
12	25
13	30
14	32
15	36
16	37
17	38
18	39
19	41
20	44
21	46
22	49
23	50
24	52
25	53
26	59
27	60
28	64
29	69
30	70
31	71
32	76
33	78
34	81
35	82
36	85
37	88
38	92
39	97
40	98
41	104
42	106
43	109
44	111
45	115
46	120
47	125
48	127
49	128
50	133
51	134
52	135
53	136
54	137
55	140
56	142
57	145
58	148
59	149
60	152
61	156
62	161
63	162
64	170
65	176
66	182

n	a(n)
1	1
2	2
3	3
4	4
5	8
6	10
7	13
8	15
9	16
10	22
11	23
12	25
13	30
14	32
15	36
16	37
17	38
18	39
19	41
20	44
21	46
22	49
23	50
24	52
25	53
26	59
27	60
28	64
29	69
30	70
31	71
32	76
33	78
34	81
35	82
36	85
37	88
38	92
39	97
40	98
41	104
42	106
43	109
44	111
45	115
46	120
47	125
48	127
49	128
50	133
51	134
52	135
53	136
54	137
55	140
56	142
57	145
58	148
59	149
60	152
61	156
62	161
63	162
64	170
65	176
66	182