A331376 - cp's OEIS frontend

A331376 Dirichlet convolution of the reduced totient function with itself.

n	a(n)
1	1
2	2
3	4
4	5
5	8
6	8
7	12
8	8
9	16
10	16
11	20
12	16
13	24
14	24
15	24
16	16
17	32
18	32
19	36
20	32
21	36
22	40
23	44
24	24
25	56
26	48
27	60
28	48
29	56
30	48
31	60
32	32
33	60
34	64
35	72
36	60
37	72
38	72
39	72
40	48
41	80
42	72
43	84
44	80
45	88
46	88
47	92
48	44
49	120
50	112
51	96
52	96
53	104
54	120
55	120

[1, 2, 4, 5, 8, 8, 12, 8, 16, 16, 20, 16, 24, 24, 24, 16, 32, 32, 36, 32, 36, 40, 44, 24, 56, 48, 60, 48, 56, 48, 60, 32, 60, 64, 72, 60, 72, 72, 72, 48, 80, 72, 84, 80, 88, 88, 92, 44, 120, 112, 96, 96, 104, 120, 120]

cp's OEIS Frontend

A331376 Dirichlet convolution of the reduced totient function with itself.

Table of values

List of values

n	a(n)
1	1
2	2
3	4
4	5
5	8
6	8
7	12
8	8
9	16
10	16
11	20
12	16
13	24
14	24
15	24
16	16
17	32
18	32
19	36
20	32
21	36
22	40
23	44
24	24
25	56
26	48
27	60
28	48
29	56
30	48
31	60
32	32
33	60
34	64
35	72
36	60
37	72
38	72
39	72
40	48
41	80
42	72
43	84
44	80
45	88
46	88
47	92
48	44
49	120
50	112
51	96
52	96
53	104
54	120
55	120

n	a(n)
1	1
2	2
3	4
4	5
5	8
6	8
7	12
8	8
9	16
10	16
11	20
12	16
13	24
14	24
15	24
16	16
17	32
18	32
19	36
20	32
21	36
22	40
23	44
24	24
25	56
26	48
27	60
28	48
29	56
30	48
31	60
32	32
33	60
34	64
35	72
36	60
37	72
38	72
39	72
40	48
41	80
42	72
43	84
44	80
45	88
46	88
47	92
48	44
49	120
50	112
51	96
52	96
53	104
54	120
55	120

n	a(n)
1	1
2	2
3	4
4	5
5	8
6	8
7	12
8	8
9	16
10	16
11	20
12	16
13	24
14	24
15	24
16	16
17	32
18	32
19	36
20	32
21	36
22	40
23	44
24	24
25	56
26	48
27	60
28	48
29	56
30	48
31	60
32	32
33	60
34	64
35	72
36	60
37	72
38	72
39	72
40	48
41	80
42	72
43	84
44	80
45	88
46	88
47	92
48	44
49	120
50	112
51	96
52	96
53	104
54	120
55	120