A075255 - cp's OEIS frontend

A075255 a(n) = n - (sum of prime factors of n (with repetition)).

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

[1, 0, 0, 0, 0, 1, 0, 2, 3, 3, 0, 5, 0, 5, 7, 8, 0, 10, 0, 11, 11, 9, 0, 15, 15, 11, 18, 17, 0, 20, 0, 22, 19, 15, 23, 26, 0, 17, 23, 29, 0, 30, 0, 29, 34, 21, 0, 37, 35, 38, 31, 35, 0, 43, 39, 43, 35, 27, 0, 48, 0, 29, 50, 52, 47, 50, 0, 47, 43, 56, 0, 60, 0, 35, 62, 53, 59, 60]

cp's OEIS Frontend

A075255 a(n) = n - (sum of prime factors of n (with repetition)).

Table of values

List of values

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

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

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