A342164 - cp's OEIS frontend

A342164 A self-describing sequence: start with 0, then for each digit in each successive term, starting from the first term, append to the sequence its most recent position in the string formed by the concatenation of all previous terms.

n	a(n)
0	0
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	10
11	11
12	12
13	15
14	17
15	19
16	16
17	23
18	18
19	27
20	30
21	27
22	22
23	27
24	24
25	39
26	41
27	44
28	28
29	47
30	50
31	41
32	52
33	56
34	50
35	56
36	56
37	56
38	50
39	56
40	53
41	72
42	42
43	75
44	54
45	80
46	80
47	76
48	83
49	80
50	85
51	92
52	90
53	80
54	54
55	99
56	94
57	99
58	86
59	99
60	98
61	99
62	108
63	99
64	108
65	99
66	108
67	99
68	126
69	99

[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 15, 17, 19, 16, 23, 18, 27, 30, 27, 22, 27, 24, 39, 41, 44, 28, 47, 50, 41, 52, 56, 50, 56, 56, 56, 50, 56, 53, 72, 42, 75, 54, 80, 80, 76, 83, 80, 85, 92, 90, 80, 54, 99, 94, 99, 86, 99, 98, 99, 108, 99, 108, 99, 108, 99, 126, 99]

cp's OEIS Frontend

A342164 A self-describing sequence: start with 0, then for each digit in each successive term, starting from the first term, append to the sequence its most recent position in the string formed by the concatenation of all previous terms.

Table of values

List of values

n	a(n)
0	0
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	10
11	11
12	12
13	15
14	17
15	19
16	16
17	23
18	18
19	27
20	30
21	27
22	22
23	27
24	24
25	39
26	41
27	44
28	28
29	47
30	50
31	41
32	52
33	56
34	50
35	56
36	56
37	56
38	50
39	56
40	53
41	72
42	42
43	75
44	54
45	80
46	80
47	76
48	83
49	80
50	85
51	92
52	90
53	80
54	54
55	99
56	94
57	99
58	86
59	99
60	98
61	99
62	108
63	99
64	108
65	99
66	108
67	99
68	126
69	99

n	a(n)
0	0
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	10
11	11
12	12
13	15
14	17
15	19
16	16
17	23
18	18
19	27
20	30
21	27
22	22
23	27
24	24
25	39
26	41
27	44
28	28
29	47
30	50
31	41
32	52
33	56
34	50
35	56
36	56
37	56
38	50
39	56
40	53
41	72
42	42
43	75
44	54
45	80
46	80
47	76
48	83
49	80
50	85
51	92
52	90
53	80
54	54
55	99
56	94
57	99
58	86
59	99
60	98
61	99
62	108
63	99
64	108
65	99
66	108
67	99
68	126
69	99

n	a(n)
0	0
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	10
11	11
12	12
13	15
14	17
15	19
16	16
17	23
18	18
19	27
20	30
21	27
22	22
23	27
24	24
25	39
26	41
27	44
28	28
29	47
30	50
31	41
32	52
33	56
34	50
35	56
36	56
37	56
38	50
39	56
40	53
41	72
42	42
43	75
44	54
45	80
46	80
47	76
48	83
49	80
50	85
51	92
52	90
53	80
54	54
55	99
56	94
57	99
58	86
59	99
60	98
61	99
62	108
63	99
64	108
65	99
66	108
67	99
68	126
69	99