A363100 - cp's OEIS frontend

A363100 Fractal sequence which is left unchanged by interleaving it with the natural numbers, in such a way that each term k of the sequence is followed by the next k not-yet-seen natural numbers.

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

[1, 2, 2, 3, 4, 2, 5, 6, 3, 7, 8, 9, 4, 10, 11, 12, 13, 2, 14, 15, 5, 16, 17, 18, 19, 20, 6, 21, 22, 23, 24, 25, 26, 3, 27, 28, 29, 7, 30, 31, 32, 33, 34, 35, 36, 8, 37, 38, 39, 40, 41, 42, 43, 44, 9, 45, 46, 47, 48, 49, 50, 51, 52, 53, 4, 54]

cp's OEIS Frontend

A363100 Fractal sequence which is left unchanged by interleaving it with the natural numbers, in such a way that each term k of the sequence is followed by the next k not-yet-seen natural numbers.

Table of values

List of values

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

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

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