A364788 - cp's OEIS frontend

A364788 a(0) = 0; thereafter a(n) is the number of times the last digit of a(n-1) has occurred as last digit in all terms prior to a(n-1).

n	a(n)
0	0
1	0
2	1
3	0
4	2
5	0
6	3
7	0
8	4
9	0
10	5
11	0
12	6
13	0
14	7
15	0
16	8
17	0
18	9
19	0
20	10
21	11
22	1
23	2
24	1
25	3
26	1
27	4
28	1
29	5
30	1
31	6
32	1
33	7
34	1
35	8
36	1
37	9
38	1
39	10
40	12
41	2
42	3
43	2
44	4
45	2
46	5
47	2
48	6
49	2
50	7
51	2
52	8
53	2
54	9
55	2
56	10
57	13
58	3
59	4
60	3
61	5
62	3
63	6
64	3
65	7
66	3
67	8
68	3
69	9
70	3
71	10
72	14
73	4
74	5
75	4
76	6
77	4
78	7
79	4
80	8
81	4
82	9
83	4
84	10

[0, 0, 1, 0, 2, 0, 3, 0, 4, 0, 5, 0, 6, 0, 7, 0, 8, 0, 9, 0, 10, 11, 1, 2, 1, 3, 1, 4, 1, 5, 1, 6, 1, 7, 1, 8, 1, 9, 1, 10, 12, 2, 3, 2, 4, 2, 5, 2, 6, 2, 7, 2, 8, 2, 9, 2, 10, 13, 3, 4, 3, 5, 3, 6, 3, 7, 3, 8, 3, 9, 3, 10, 14, 4, 5, 4, 6, 4, 7, 4, 8, 4, 9, 4, 10]

cp's OEIS Frontend

A364788 a(0) = 0; thereafter a(n) is the number of times the last digit of a(n-1) has occurred as last digit in all terms prior to a(n-1).

Table of values

List of values

n	a(n)
0	0
1	0
2	1
3	0
4	2
5	0
6	3
7	0
8	4
9	0
10	5
11	0
12	6
13	0
14	7
15	0
16	8
17	0
18	9
19	0
20	10
21	11
22	1
23	2
24	1
25	3
26	1
27	4
28	1
29	5
30	1
31	6
32	1
33	7
34	1
35	8
36	1
37	9
38	1
39	10
40	12
41	2
42	3
43	2
44	4
45	2
46	5
47	2
48	6
49	2
50	7
51	2
52	8
53	2
54	9
55	2
56	10
57	13
58	3
59	4
60	3
61	5
62	3
63	6
64	3
65	7
66	3
67	8
68	3
69	9
70	3
71	10
72	14
73	4
74	5
75	4
76	6
77	4
78	7
79	4
80	8
81	4
82	9
83	4
84	10

n	a(n)
0	0
1	0
2	1
3	0
4	2
5	0
6	3
7	0
8	4
9	0
10	5
11	0
12	6
13	0
14	7
15	0
16	8
17	0
18	9
19	0
20	10
21	11
22	1
23	2
24	1
25	3
26	1
27	4
28	1
29	5
30	1
31	6
32	1
33	7
34	1
35	8
36	1
37	9
38	1
39	10
40	12
41	2
42	3
43	2
44	4
45	2
46	5
47	2
48	6
49	2
50	7
51	2
52	8
53	2
54	9
55	2
56	10
57	13
58	3
59	4
60	3
61	5
62	3
63	6
64	3
65	7
66	3
67	8
68	3
69	9
70	3
71	10
72	14
73	4
74	5
75	4
76	6
77	4
78	7
79	4
80	8
81	4
82	9
83	4
84	10

n	a(n)
0	0
1	0
2	1
3	0
4	2
5	0
6	3
7	0
8	4
9	0
10	5
11	0
12	6
13	0
14	7
15	0
16	8
17	0
18	9
19	0
20	10
21	11
22	1
23	2
24	1
25	3
26	1
27	4
28	1
29	5
30	1
31	6
32	1
33	7
34	1
35	8
36	1
37	9
38	1
39	10
40	12
41	2
42	3
43	2
44	4
45	2
46	5
47	2
48	6
49	2
50	7
51	2
52	8
53	2
54	9
55	2
56	10
57	13
58	3
59	4
60	3
61	5
62	3
63	6
64	3
65	7
66	3
67	8
68	3
69	9
70	3
71	10
72	14
73	4
74	5
75	4
76	6
77	4
78	7
79	4
80	8
81	4
82	9
83	4
84	10