A114650 - cp's OEIS frontend

A114650 a(1)=1. For n>1, a(n) is smallest positive integer not among the earlier terms of the sequence such that floor(log(a(n))) does not equal floor(log(a(n-1))).

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

[1, 3, 2, 4, 8, 5, 9, 6, 10, 7, 11, 21, 12, 22, 13, 23, 14, 24, 15, 25, 16, 26, 17, 27, 18, 28, 19, 29, 20, 30, 55, 31, 56, 32, 57, 33, 58, 34, 59, 35, 60, 36, 61, 37, 62, 38, 63, 39, 64, 40, 65, 41, 66, 42, 67, 43, 68, 44, 69, 45, 70, 46, 71, 47, 72, 48, 73, 49, 74, 50, 75, 51]

cp's OEIS Frontend

A114650 a(1)=1. For n>1, a(n) is smallest positive integer not among the earlier terms of the sequence such that floor(log(a(n))) does not equal floor(log(a(n-1))).

Table of values

List of values

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

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

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