A369744 - cp's OEIS frontend

A369744 a(n) = Sum_{p|n, p prime} p * omega(n/p).

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

[0, 0, 0, 2, 0, 5, 0, 2, 3, 7, 0, 7, 0, 9, 8, 2, 0, 8, 0, 9, 10, 13, 0, 7, 5, 15, 3, 11, 0, 20, 0, 2, 14, 19, 12, 10, 0, 21, 16, 9, 0, 24, 0, 15, 11, 25, 0, 7, 7, 12, 20, 17, 0, 8, 16, 11, 22, 31, 0, 22, 0, 33, 13, 2, 18, 32, 0, 21, 26, 28, 0, 10, 0, 39, 13, 23, 18, 36]

cp's OEIS Frontend

A369744 a(n) = Sum_{p|n, p prime} p * omega(n/p).

Table of values

List of values

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

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

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