A333358 - cp's OEIS frontend

A333358 a(1) = 0. For n>1, a(n+1) = the minimum positive m such that the concatenation of the decimal values [a(n-m),a(n-m+1),...,a(n-m+k)] equals a(n) for some k>=0; a(n+1) = a(n) + 1 if no such m exists.

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

[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 11, 2, 12, 3, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 34, 1, 38, 39, 40, 41, 42, 43, 44, 45, 43, 3, 33, 14, 33, 2, 39, 13, 38, 16, 37, 38, 3, 11, 48, 49, 50, 51, 52, 53, 54, 55, 56, 65, 66, 67, 67, 1, 36]

cp's OEIS Frontend

A333358 a(1) = 0. For n>1, a(n+1) = the minimum positive m such that the concatenation of the decimal values [a(n-m),a(n-m+1),...,a(n-m+k)] equals a(n) for some k>=0; a(n+1) = a(n) + 1 if no such m exists.

Table of values

List of values

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

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

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