A063956 - cp's OEIS frontend

A063956 Sum of unitary prime divisors of n.

n	a(n)
1	0
2	2
3	3
4	0
5	5
6	5
7	7
8	0
9	0
10	7
11	11
12	3
13	13
14	9
15	8
16	0
17	17
18	2
19	19
20	5
21	10
22	13
23	23
24	3
25	0
26	15
27	0
28	7
29	29
30	10
31	31
32	0
33	14
34	19
35	12
36	0
37	37
38	21
39	16
40	5
41	41
42	12
43	43
44	11
45	5
46	25
47	47
48	3
49	0
50	2
51	20
52	13
53	53
54	2
55	16
56	7
57	22
58	31
59	59
60	8
61	61
62	33
63	7
64	0
65	18
66	16
67	67
68	17
69	26
70	14
71	71
72	0
73	73
74	39
75	3
76	19
77	18
78	18
79	79
80	5
81	0

[0, 2, 3, 0, 5, 5, 7, 0, 0, 7, 11, 3, 13, 9, 8, 0, 17, 2, 19, 5, 10, 13, 23, 3, 0, 15, 0, 7, 29, 10, 31, 0, 14, 19, 12, 0, 37, 21, 16, 5, 41, 12, 43, 11, 5, 25, 47, 3, 0, 2, 20, 13, 53, 2, 16, 7, 22, 31, 59, 8, 61, 33, 7, 0, 18, 16, 67, 17, 26, 14, 71, 0, 73, 39, 3, 19, 18, 18, 79, 5, 0]

cp's OEIS Frontend

A063956 Sum of unitary prime divisors of n.

Table of values

List of values

n	a(n)
1	0
2	2
3	3
4	0
5	5
6	5
7	7
8	0
9	0
10	7
11	11
12	3
13	13
14	9
15	8
16	0
17	17
18	2
19	19
20	5
21	10
22	13
23	23
24	3
25	0
26	15
27	0
28	7
29	29
30	10
31	31
32	0
33	14
34	19
35	12
36	0
37	37
38	21
39	16
40	5
41	41
42	12
43	43
44	11
45	5
46	25
47	47
48	3
49	0
50	2
51	20
52	13
53	53
54	2
55	16
56	7
57	22
58	31
59	59
60	8
61	61
62	33
63	7
64	0
65	18
66	16
67	67
68	17
69	26
70	14
71	71
72	0
73	73
74	39
75	3
76	19
77	18
78	18
79	79
80	5
81	0

n	a(n)
1	0
2	2
3	3
4	0
5	5
6	5
7	7
8	0
9	0
10	7
11	11
12	3
13	13
14	9
15	8
16	0
17	17
18	2
19	19
20	5
21	10
22	13
23	23
24	3
25	0
26	15
27	0
28	7
29	29
30	10
31	31
32	0
33	14
34	19
35	12
36	0
37	37
38	21
39	16
40	5
41	41
42	12
43	43
44	11
45	5
46	25
47	47
48	3
49	0
50	2
51	20
52	13
53	53
54	2
55	16
56	7
57	22
58	31
59	59
60	8
61	61
62	33
63	7
64	0
65	18
66	16
67	67
68	17
69	26
70	14
71	71
72	0
73	73
74	39
75	3
76	19
77	18
78	18
79	79
80	5
81	0

n	a(n)
1	0
2	2
3	3
4	0
5	5
6	5
7	7
8	0
9	0
10	7
11	11
12	3
13	13
14	9
15	8
16	0
17	17
18	2
19	19
20	5
21	10
22	13
23	23
24	3
25	0
26	15
27	0
28	7
29	29
30	10
31	31
32	0
33	14
34	19
35	12
36	0
37	37
38	21
39	16
40	5
41	41
42	12
43	43
44	11
45	5
46	25
47	47
48	3
49	0
50	2
51	20
52	13
53	53
54	2
55	16
56	7
57	22
58	31
59	59
60	8
61	61
62	33
63	7
64	0
65	18
66	16
67	67
68	17
69	26
70	14
71	71
72	0
73	73
74	39
75	3
76	19
77	18
78	18
79	79
80	5
81	0