A095408 - cp's OEIS frontend

A095408 Total number of decimal digits in all distinct prime factors of n minus number of digits in n.

n	a(n)
1	-1
2	0
3	0
4	0
5	0
6	1
7	0
8	0
9	0
10	0
11	0
12	0
13	0
14	0
15	0
16	-1
17	0
18	0
19	0
20	0
21	0
22	1
23	0
24	0
25	-1
26	1
27	-1
28	0
29	0
30	1
31	0
32	-1
33	1
34	1
35	0
36	0
37	0
38	1
39	1
40	0
41	0
42	1
43	0
44	1
45	0
46	1
47	0
48	0
49	-1
50	0
51	1
52	1
53	0
54	0
55	1
56	0
57	1
58	1
59	0
60	1
61	0
62	1
63	0
64	-1
65	1
66	2
67	0
68	1
69	1
70	1
71	0
72	0
73	0
74	1
75	0
76	1
77	1
78	2
79	0
80	0
81	-1
82	1
83	0
84	1
85	1
86	1
87	1
88	1
89	0
90	1
91	1
92	1
93	1
94	1
95	1
96	0
97	0
98	0
99	1
100	-1
101	0
102	1
103	0
104	0
105	0
106	0
107	0
108	-1
109	0
110	1
111	0
112	-1
113	0
114	1
115	0
116	0
117	0
118	0
119	0
120	0
121	-1

[-1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1, 0, 0, 0, 0, 0, 1, 0, 0, -1, 1, -1, 0, 0, 1, 0, -1, 1, 1, 0, 0, 0, 1, 1, 0, 0, 1, 0, 1, 0, 1, 0, 0, -1, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, -1, 1, 2, 0, 1, 1, 1, 0, 0, 0, 1, 0, 1, 1, 2, 0, 0, -1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, -1, 0, 1, 0, 0, 0, 0, 0, -1, 0, 1, 0, -1, 0, 1, 0, 0, 0, 0, 0, 0, -1]

cp's OEIS Frontend

A095408 Total number of decimal digits in all distinct prime factors of n minus number of digits in n.

Table of values

List of values

n	a(n)
1	-1
2	0
3	0
4	0
5	0
6	1
7	0
8	0
9	0
10	0
11	0
12	0
13	0
14	0
15	0
16	-1
17	0
18	0
19	0
20	0
21	0
22	1
23	0
24	0
25	-1
26	1
27	-1
28	0
29	0
30	1
31	0
32	-1
33	1
34	1
35	0
36	0
37	0
38	1
39	1
40	0
41	0
42	1
43	0
44	1
45	0
46	1
47	0
48	0
49	-1
50	0
51	1
52	1
53	0
54	0
55	1
56	0
57	1
58	1
59	0
60	1
61	0
62	1
63	0
64	-1
65	1
66	2
67	0
68	1
69	1
70	1
71	0
72	0
73	0
74	1
75	0
76	1
77	1
78	2
79	0
80	0
81	-1
82	1
83	0
84	1
85	1
86	1
87	1
88	1
89	0
90	1
91	1
92	1
93	1
94	1
95	1
96	0
97	0
98	0
99	1
100	-1
101	0
102	1
103	0
104	0
105	0
106	0
107	0
108	-1
109	0
110	1
111	0
112	-1
113	0
114	1
115	0
116	0
117	0
118	0
119	0
120	0
121	-1

n	a(n)
1	-1
2	0
3	0
4	0
5	0
6	1
7	0
8	0
9	0
10	0
11	0
12	0
13	0
14	0
15	0
16	-1
17	0
18	0
19	0
20	0
21	0
22	1
23	0
24	0
25	-1
26	1
27	-1
28	0
29	0
30	1
31	0
32	-1
33	1
34	1
35	0
36	0
37	0
38	1
39	1
40	0
41	0
42	1
43	0
44	1
45	0
46	1
47	0
48	0
49	-1
50	0
51	1
52	1
53	0
54	0
55	1
56	0
57	1
58	1
59	0
60	1
61	0
62	1
63	0
64	-1
65	1
66	2
67	0
68	1
69	1
70	1
71	0
72	0
73	0
74	1
75	0
76	1
77	1
78	2
79	0
80	0
81	-1
82	1
83	0
84	1
85	1
86	1
87	1
88	1
89	0
90	1
91	1
92	1
93	1
94	1
95	1
96	0
97	0
98	0
99	1
100	-1
101	0
102	1
103	0
104	0
105	0
106	0
107	0
108	-1
109	0
110	1
111	0
112	-1
113	0
114	1
115	0
116	0
117	0
118	0
119	0
120	0
121	-1

n	a(n)
1	-1
2	0
3	0
4	0
5	0
6	1
7	0
8	0
9	0
10	0
11	0
12	0
13	0
14	0
15	0
16	-1
17	0
18	0
19	0
20	0
21	0
22	1
23	0
24	0
25	-1
26	1
27	-1
28	0
29	0
30	1
31	0
32	-1
33	1
34	1
35	0
36	0
37	0
38	1
39	1
40	0
41	0
42	1
43	0
44	1
45	0
46	1
47	0
48	0
49	-1
50	0
51	1
52	1
53	0
54	0
55	1
56	0
57	1
58	1
59	0
60	1
61	0
62	1
63	0
64	-1
65	1
66	2
67	0
68	1
69	1
70	1
71	0
72	0
73	0
74	1
75	0
76	1
77	1
78	2
79	0
80	0
81	-1
82	1
83	0
84	1
85	1
86	1
87	1
88	1
89	0
90	1
91	1
92	1
93	1
94	1
95	1
96	0
97	0
98	0
99	1
100	-1
101	0
102	1
103	0
104	0
105	0
106	0
107	0
108	-1
109	0
110	1
111	0
112	-1
113	0
114	1
115	0
116	0
117	0
118	0
119	0
120	0
121	-1