A139556 - cp's OEIS frontend

A139556 a(n) = sum of the prime-powers (including 1) that each are <= n and are coprime to n.

n	a(n)
1	1
2	1
3	3
4	4
5	10
6	6
7	15
8	16
9	27
10	20
11	39
12	24
13	50
14	42
15	46
16	49
17	79
18	54
19	96
20	80
21	96
22	74
23	115
24	96
25	133
26	120
27	151
28	153
29	190
30	120
31	219
32	220
33	232
34	203
35	245
36	181
37	282
38	238
39	267
40	227
41	319
42	252
43	360
44	330
45	334
46	318
47	403
48	349
49	443
50	407
51	443
52	424
53	499
54	451
55	511
56	434
57	494
58	461

[1, 1, 3, 4, 10, 6, 15, 16, 27, 20, 39, 24, 50, 42, 46, 49, 79, 54, 96, 80, 96, 74, 115, 96, 133, 120, 151, 153, 190, 120, 219, 220, 232, 203, 245, 181, 282, 238, 267, 227, 319, 252, 360, 330, 334, 318, 403, 349, 443, 407, 443, 424, 499, 451, 511, 434, 494, 461]

cp's OEIS Frontend

A139556 a(n) = sum of the prime-powers (including 1) that each are <= n and are coprime to n.

Table of values

List of values

n	a(n)
1	1
2	1
3	3
4	4
5	10
6	6
7	15
8	16
9	27
10	20
11	39
12	24
13	50
14	42
15	46
16	49
17	79
18	54
19	96
20	80
21	96
22	74
23	115
24	96
25	133
26	120
27	151
28	153
29	190
30	120
31	219
32	220
33	232
34	203
35	245
36	181
37	282
38	238
39	267
40	227
41	319
42	252
43	360
44	330
45	334
46	318
47	403
48	349
49	443
50	407
51	443
52	424
53	499
54	451
55	511
56	434
57	494
58	461

n	a(n)
1	1
2	1
3	3
4	4
5	10
6	6
7	15
8	16
9	27
10	20
11	39
12	24
13	50
14	42
15	46
16	49
17	79
18	54
19	96
20	80
21	96
22	74
23	115
24	96
25	133
26	120
27	151
28	153
29	190
30	120
31	219
32	220
33	232
34	203
35	245
36	181
37	282
38	238
39	267
40	227
41	319
42	252
43	360
44	330
45	334
46	318
47	403
48	349
49	443
50	407
51	443
52	424
53	499
54	451
55	511
56	434
57	494
58	461

n	a(n)
1	1
2	1
3	3
4	4
5	10
6	6
7	15
8	16
9	27
10	20
11	39
12	24
13	50
14	42
15	46
16	49
17	79
18	54
19	96
20	80
21	96
22	74
23	115
24	96
25	133
26	120
27	151
28	153
29	190
30	120
31	219
32	220
33	232
34	203
35	245
36	181
37	282
38	238
39	267
40	227
41	319
42	252
43	360
44	330
45	334
46	318
47	403
48	349
49	443
50	407
51	443
52	424
53	499
54	451
55	511
56	434
57	494
58	461