A379512 - cp's OEIS frontend

A379512 Erase digits 0 and 1 from decimal expansion of n. Then keep just the coprime digits; write 0 if all digits disappear.

n	a(n)
0	0
1	0
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	0
11	0
12	2
13	3
14	4
15	5
16	6
17	7
18	8
19	9
20	2
21	2
22	0
23	23
24	0
25	25
26	0
27	27
28	0
29	29
30	3
31	3
32	32
33	0
34	34
35	35
36	0
37	37
38	38
39	0
40	4
41	4
42	0
43	43
44	0
45	45
46	0
47	47
48	0
49	49
50	5
51	5
52	52
53	53
54	54
55	0
56	56
57	57
58	58
59	59
60	6
61	6
62	0
63	0
64	0
65	65
66	0
67	67
68	0
69	0
70	7
71	7
72	72
73	73
74	74
75	75
76	76
77	0
78	78
79	79
80	8
81	8
82	0
83	83
84	0
85	85
86	0
87	87

[0, 0, 2, 3, 4, 5, 6, 7, 8, 9, 0, 0, 2, 3, 4, 5, 6, 7, 8, 9, 2, 2, 0, 23, 0, 25, 0, 27, 0, 29, 3, 3, 32, 0, 34, 35, 0, 37, 38, 0, 4, 4, 0, 43, 0, 45, 0, 47, 0, 49, 5, 5, 52, 53, 54, 0, 56, 57, 58, 59, 6, 6, 0, 0, 0, 65, 0, 67, 0, 0, 7, 7, 72, 73, 74, 75, 76, 0, 78, 79, 8, 8, 0, 83, 0, 85, 0, 87]

cp's OEIS Frontend

A379512 Erase digits 0 and 1 from decimal expansion of n. Then keep just the coprime digits; write 0 if all digits disappear.

Table of values

List of values

n	a(n)
0	0
1	0
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	0
11	0
12	2
13	3
14	4
15	5
16	6
17	7
18	8
19	9
20	2
21	2
22	0
23	23
24	0
25	25
26	0
27	27
28	0
29	29
30	3
31	3
32	32
33	0
34	34
35	35
36	0
37	37
38	38
39	0
40	4
41	4
42	0
43	43
44	0
45	45
46	0
47	47
48	0
49	49
50	5
51	5
52	52
53	53
54	54
55	0
56	56
57	57
58	58
59	59
60	6
61	6
62	0
63	0
64	0
65	65
66	0
67	67
68	0
69	0
70	7
71	7
72	72
73	73
74	74
75	75
76	76
77	0
78	78
79	79
80	8
81	8
82	0
83	83
84	0
85	85
86	0
87	87

n	a(n)
0	0
1	0
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	0
11	0
12	2
13	3
14	4
15	5
16	6
17	7
18	8
19	9
20	2
21	2
22	0
23	23
24	0
25	25
26	0
27	27
28	0
29	29
30	3
31	3
32	32
33	0
34	34
35	35
36	0
37	37
38	38
39	0
40	4
41	4
42	0
43	43
44	0
45	45
46	0
47	47
48	0
49	49
50	5
51	5
52	52
53	53
54	54
55	0
56	56
57	57
58	58
59	59
60	6
61	6
62	0
63	0
64	0
65	65
66	0
67	67
68	0
69	0
70	7
71	7
72	72
73	73
74	74
75	75
76	76
77	0
78	78
79	79
80	8
81	8
82	0
83	83
84	0
85	85
86	0
87	87

n	a(n)
0	0
1	0
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	0
11	0
12	2
13	3
14	4
15	5
16	6
17	7
18	8
19	9
20	2
21	2
22	0
23	23
24	0
25	25
26	0
27	27
28	0
29	29
30	3
31	3
32	32
33	0
34	34
35	35
36	0
37	37
38	38
39	0
40	4
41	4
42	0
43	43
44	0
45	45
46	0
47	47
48	0
49	49
50	5
51	5
52	52
53	53
54	54
55	0
56	56
57	57
58	58
59	59
60	6
61	6
62	0
63	0
64	0
65	65
66	0
67	67
68	0
69	0
70	7
71	7
72	72
73	73
74	74
75	75
76	76
77	0
78	78
79	79
80	8
81	8
82	0
83	83
84	0
85	85
86	0
87	87