A309261 - cp's OEIS frontend

A309261 The sum of the number of times each unique digit in the previous number occurred in the numbers before that with a(1) = 0.

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

[0, 0, 1, 0, 2, 0, 3, 0, 4, 0, 5, 0, 6, 0, 7, 0, 8, 0, 9, 0, 10, 12, 3, 1, 3, 2, 2, 3, 3, 4, 1, 4, 2, 4, 3, 5, 1, 5, 2, 5, 3, 6, 1, 6, 2, 6, 3, 7, 1, 7, 2, 7, 3, 8, 1, 8, 2, 8, 3, 9, 1, 9, 2, 9, 3, 10, 22, 10, 24, 16, 16, 18, 18, 20, 27, 18, 22, 15, 21, 35, 16, 25, 24, 24]

cp's OEIS Frontend

A309261 The sum of the number of times each unique digit in the previous number occurred in the numbers before that with a(1) = 0.

Table of values

List of values

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

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

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