A357449 - cp's OEIS frontend

A357449 a(0) = 0; for n > 0, a(n) is the smallest positive number not occurring earlier such that the binary string of a(n) plus the largest previous term does not appear in the binary string concatenation of a(0)..a(n-1).

n	a(n)
0	0
1	1
2	2
3	3
4	4
5	5
6	10
7	6
8	7
9	9
10	14
11	15
12	16
13	17
14	18
15	20
16	12
17	24
18	8
19	28
20	26
21	30
22	22
23	33
24	11
25	21
26	31
27	32
28	36
29	37
30	27
31	35
32	41
33	13
34	23
35	40
36	44
37	38
38	62
39	46
40	66
41	19
42	42
43	63
44	65
45	69
46	39
47	59
48	60
49	68
50	72
51	56
52	57
53	71
54	76
55	52
56	53
57	80
58	48
59	49
60	55
61	58
62	61
63	64
64	83
65	45
66	73
67	77
68	81
69	82
70	85
71	43
72	50
73	75
74	79
75	87
76	51

[0, 1, 2, 3, 4, 5, 10, 6, 7, 9, 14, 15, 16, 17, 18, 20, 12, 24, 8, 28, 26, 30, 22, 33, 11, 21, 31, 32, 36, 37, 27, 35, 41, 13, 23, 40, 44, 38, 62, 46, 66, 19, 42, 63, 65, 69, 39, 59, 60, 68, 72, 56, 57, 71, 76, 52, 53, 80, 48, 49, 55, 58, 61, 64, 83, 45, 73, 77, 81, 82, 85, 43, 50, 75, 79, 87, 51]

cp's OEIS Frontend

A357449 a(0) = 0; for n > 0, a(n) is the smallest positive number not occurring earlier such that the binary string of a(n) plus the largest previous term does not appear in the binary string concatenation of a(0)..a(n-1).

Table of values

List of values

n	a(n)
0	0
1	1
2	2
3	3
4	4
5	5
6	10
7	6
8	7
9	9
10	14
11	15
12	16
13	17
14	18
15	20
16	12
17	24
18	8
19	28
20	26
21	30
22	22
23	33
24	11
25	21
26	31
27	32
28	36
29	37
30	27
31	35
32	41
33	13
34	23
35	40
36	44
37	38
38	62
39	46
40	66
41	19
42	42
43	63
44	65
45	69
46	39
47	59
48	60
49	68
50	72
51	56
52	57
53	71
54	76
55	52
56	53
57	80
58	48
59	49
60	55
61	58
62	61
63	64
64	83
65	45
66	73
67	77
68	81
69	82
70	85
71	43
72	50
73	75
74	79
75	87
76	51

n	a(n)
0	0
1	1
2	2
3	3
4	4
5	5
6	10
7	6
8	7
9	9
10	14
11	15
12	16
13	17
14	18
15	20
16	12
17	24
18	8
19	28
20	26
21	30
22	22
23	33
24	11
25	21
26	31
27	32
28	36
29	37
30	27
31	35
32	41
33	13
34	23
35	40
36	44
37	38
38	62
39	46
40	66
41	19
42	42
43	63
44	65
45	69
46	39
47	59
48	60
49	68
50	72
51	56
52	57
53	71
54	76
55	52
56	53
57	80
58	48
59	49
60	55
61	58
62	61
63	64
64	83
65	45
66	73
67	77
68	81
69	82
70	85
71	43
72	50
73	75
74	79
75	87
76	51

n	a(n)
0	0
1	1
2	2
3	3
4	4
5	5
6	10
7	6
8	7
9	9
10	14
11	15
12	16
13	17
14	18
15	20
16	12
17	24
18	8
19	28
20	26
21	30
22	22
23	33
24	11
25	21
26	31
27	32
28	36
29	37
30	27
31	35
32	41
33	13
34	23
35	40
36	44
37	38
38	62
39	46
40	66
41	19
42	42
43	63
44	65
45	69
46	39
47	59
48	60
49	68
50	72
51	56
52	57
53	71
54	76
55	52
56	53
57	80
58	48
59	49
60	55
61	58
62	61
63	64
64	83
65	45
66	73
67	77
68	81
69	82
70	85
71	43
72	50
73	75
74	79
75	87
76	51