A379489 - cp's OEIS frontend

A379489 a(n) = gcd(n,A003961(n))gcd(sigma(n),A276086(n)) - gcd(n,A276086(n))gcd(sigma(n),A003961(n)), where A003961 is fully multiplicative with a(prime(i)) = prime(i+1), and A276086 is the primorial base exp-function.

n	a(n)
1	0
2	0
3	-1
4	0
5	5
6	0
7	1
8	12
9	-2
10	-6
11	5
12	2
13	1
14	0
15	15
16	0
17	17
18	0
19	9
20	-102
21	-1
22	6
23	5
24	0
25	-24
26	0
27	-5
28	0
29	29
30	12
31	1
32	12
33	3
34	6
35	35
36	62
37	1
38	12
39	11
40	0
41	41
42	-18
43	1
44	18
45	15
46	6
47	5
48	2
49	-6
50	-72
51	3
52	6
53	17
54	0
55	-3
56	-6
57	-5
58	42
59	29
60	84
61	1
62	0
63	-19
64	0
65	35
66	0
67	1
68	12
69	3
70	-42
71	17
72	30
73	1
74	0
75	-65
76	34
77	59
78	18
79	9
80	-12
81	-2
82	60
83	41
84	14
85	-3
86	0
87	15

[0, 0, -1, 0, 5, 0, 1, 12, -2, -6, 5, 2, 1, 0, 15, 0, 17, 0, 9, -102, -1, 6, 5, 0, -24, 0, -5, 0, 29, 12, 1, 12, 3, 6, 35, 62, 1, 12, 11, 0, 41, -18, 1, 18, 15, 6, 5, 2, -6, -72, 3, 6, 17, 0, -3, -6, -5, 42, 29, 84, 1, 0, -19, 0, 35, 0, 1, 12, 3, -42, 17, 30, 1, 0, -65, 34, 59, 18, 9, -12, -2, 60, 41, 14, -3, 0, 15]

cp's OEIS Frontend

A379489 a(n) = gcd(n,A003961(n))gcd(sigma(n),A276086(n)) - gcd(n,A276086(n))gcd(sigma(n),A003961(n)), where A003961 is fully multiplicative with a(prime(i)) = prime(i+1), and A276086 is the primorial base exp-function.

Table of values

List of values

cp's OEIS Frontend

A379489 a(n) = gcd(n,A003961(n))*gcd(sigma(n),A276086(n)) - gcd(n,A276086(n))*gcd(sigma(n),A003961(n)), where A003961 is fully multiplicative with a(prime(i)) = prime(i+1), and A276086 is the primorial base exp-function.

Table of values

List of values

A379489 a(n) = gcd(n,A003961(n))gcd(sigma(n),A276086(n)) - gcd(n,A276086(n))gcd(sigma(n),A003961(n)), where A003961 is fully multiplicative with a(prime(i)) = prime(i+1), and A276086 is the primorial base exp-function.