A326060 - cp's OEIS frontend

A326060 a(n) = gcd(n-A035316(n), A285309(n)-n), where A035316 and A285309 give respectively the sums of square and nonsquare divisors of n.

n	a(n)
1	1
2	1
3	2
4	1
5	4
6	5
7	6
8	1
9	1
10	1
11	10
12	1
13	12
14	1
15	2
16	1
17	16
18	1
19	18
20	1
21	10
22	1
23	22
24	1
25	1
26	5
27	1
28	23
29	28
30	1
31	30
32	1
33	2
34	1
35	2
36	1
37	36
38	1
39	2
40	5
41	40
42	1
43	42
44	1
45	1
46	5
47	46
48	1
49	1
50	1
51	10
52	1
53	52
54	4
55	2
56	1
57	2
58	1
59	58
60	1
61	60
62	1
63	1
64	1
65	2
66	1
67	66
68	1
69	2
70	1
71	70
72	1
73	72
74	1
75	1
76	1
77	2
78	1
79	78
80	1
81	1
82	1
83	82
84	1
85	2
86	5
87	2
88	1
89	88
90	2
91	10
92	1
93	2
94	1
95	2
96	15
97	96
98	1
99	1
100	1
101	100
102	1
103	102
104	1
105	2

[1, 1, 2, 1, 4, 5, 6, 1, 1, 1, 10, 1, 12, 1, 2, 1, 16, 1, 18, 1, 10, 1, 22, 1, 1, 5, 1, 23, 28, 1, 30, 1, 2, 1, 2, 1, 36, 1, 2, 5, 40, 1, 42, 1, 1, 5, 46, 1, 1, 1, 10, 1, 52, 4, 2, 1, 2, 1, 58, 1, 60, 1, 1, 1, 2, 1, 66, 1, 2, 1, 70, 1, 72, 1, 1, 1, 2, 1, 78, 1, 1, 1, 82, 1, 2, 5, 2, 1, 88, 2, 10, 1, 2, 1, 2, 15, 96, 1, 1, 1, 100, 1, 102, 1, 2]

cp's OEIS Frontend

A326060 a(n) = gcd(n-A035316(n), A285309(n)-n), where A035316 and A285309 give respectively the sums of square and nonsquare divisors of n.

Table of values

List of values

n	a(n)
1	1
2	1
3	2
4	1
5	4
6	5
7	6
8	1
9	1
10	1
11	10
12	1
13	12
14	1
15	2
16	1
17	16
18	1
19	18
20	1
21	10
22	1
23	22
24	1
25	1
26	5
27	1
28	23
29	28
30	1
31	30
32	1
33	2
34	1
35	2
36	1
37	36
38	1
39	2
40	5
41	40
42	1
43	42
44	1
45	1
46	5
47	46
48	1
49	1
50	1
51	10
52	1
53	52
54	4
55	2
56	1
57	2
58	1
59	58
60	1
61	60
62	1
63	1
64	1
65	2
66	1
67	66
68	1
69	2
70	1
71	70
72	1
73	72
74	1
75	1
76	1
77	2
78	1
79	78
80	1
81	1
82	1
83	82
84	1
85	2
86	5
87	2
88	1
89	88
90	2
91	10
92	1
93	2
94	1
95	2
96	15
97	96
98	1
99	1
100	1
101	100
102	1
103	102
104	1
105	2

n	a(n)
1	1
2	1
3	2
4	1
5	4
6	5
7	6
8	1
9	1
10	1
11	10
12	1
13	12
14	1
15	2
16	1
17	16
18	1
19	18
20	1
21	10
22	1
23	22
24	1
25	1
26	5
27	1
28	23
29	28
30	1
31	30
32	1
33	2
34	1
35	2
36	1
37	36
38	1
39	2
40	5
41	40
42	1
43	42
44	1
45	1
46	5
47	46
48	1
49	1
50	1
51	10
52	1
53	52
54	4
55	2
56	1
57	2
58	1
59	58
60	1
61	60
62	1
63	1
64	1
65	2
66	1
67	66
68	1
69	2
70	1
71	70
72	1
73	72
74	1
75	1
76	1
77	2
78	1
79	78
80	1
81	1
82	1
83	82
84	1
85	2
86	5
87	2
88	1
89	88
90	2
91	10
92	1
93	2
94	1
95	2
96	15
97	96
98	1
99	1
100	1
101	100
102	1
103	102
104	1
105	2

n	a(n)
1	1
2	1
3	2
4	1
5	4
6	5
7	6
8	1
9	1
10	1
11	10
12	1
13	12
14	1
15	2
16	1
17	16
18	1
19	18
20	1
21	10
22	1
23	22
24	1
25	1
26	5
27	1
28	23
29	28
30	1
31	30
32	1
33	2
34	1
35	2
36	1
37	36
38	1
39	2
40	5
41	40
42	1
43	42
44	1
45	1
46	5
47	46
48	1
49	1
50	1
51	10
52	1
53	52
54	4
55	2
56	1
57	2
58	1
59	58
60	1
61	60
62	1
63	1
64	1
65	2
66	1
67	66
68	1
69	2
70	1
71	70
72	1
73	72
74	1
75	1
76	1
77	2
78	1
79	78
80	1
81	1
82	1
83	82
84	1
85	2
86	5
87	2
88	1
89	88
90	2
91	10
92	1
93	2
94	1
95	2
96	15
97	96
98	1
99	1
100	1
101	100
102	1
103	102
104	1
105	2