A380745 - cp's OEIS frontend

A380745 a(0) = 0; a(n) = the number of times a(n-1) has the same digits in common with a previous term, in any permutation.

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

[0, 0, 1, 0, 2, 0, 3, 0, 4, 0, 5, 0, 6, 0, 7, 0, 8, 0, 9, 0, 10, 0, 11, 0, 12, 0, 13, 0, 14, 0, 15, 0, 16, 0, 17, 0, 18, 0, 19, 0, 20, 0, 21, 1, 1, 2, 1, 3, 1, 4, 1, 5, 1, 6, 1, 7, 1, 8, 1, 9, 1, 10, 1, 11, 1, 12, 2, 2, 3, 2, 4, 2, 5, 2, 6, 2, 7, 2, 8, 2, 9, 2]

cp's OEIS Frontend

A380745 a(0) = 0; a(n) = the number of times a(n-1) has the same digits in common with a previous term, in any permutation.

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

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

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