A374035 - cp's OEIS frontend

A374035 a(n) = gcd(A328845(n), A328846(n)), where A328845 and A328846 are the first and second Fibonacci-based variants of the arithmetic derivative.

n	a(n)
0	0
1	0
2	1
3	1
4	4
5	5
6	1
7	1
8	12
9	6
10	5
11	1
12	4
13	1
14	3
15	5
16	32
17	1
18	3
19	1
20	20
21	1
22	3
23	1
24	4
25	50
26	1
27	27
28	8
29	1
30	5
31	1
32	80
33	1
34	1
35	25
36	12
37	1
38	1
39	1
40	20
41	1
42	1
43	1
44	20
45	15
46	7
47	1
48	16
49	14
50	25
51	1
52	4
53	1
54	27
55	20
56	4
57	1
58	1
59	1
60	80
61	1
62	33
63	3
64	192
65	10
66	1
67	1
68	8
69	1
70	5
71	1
72	12
73	1
74	1
75	25
76	12
77	1
78	1
79	1
80	80
81	108
82	1
83	1
84	4
85	15
86	1
87	1
88	4
89	1
90	15
91	1
92	60
93	1
94	1
95	10
96	16

[0, 0, 1, 1, 4, 5, 1, 1, 12, 6, 5, 1, 4, 1, 3, 5, 32, 1, 3, 1, 20, 1, 3, 1, 4, 50, 1, 27, 8, 1, 5, 1, 80, 1, 1, 25, 12, 1, 1, 1, 20, 1, 1, 1, 20, 15, 7, 1, 16, 14, 25, 1, 4, 1, 27, 20, 4, 1, 1, 1, 80, 1, 33, 3, 192, 10, 1, 1, 8, 1, 5, 1, 12, 1, 1, 25, 12, 1, 1, 1, 80, 108, 1, 1, 4, 15, 1, 1, 4, 1, 15, 1, 60, 1, 1, 10, 16]

cp's OEIS Frontend

A374035 a(n) = gcd(A328845(n), A328846(n)), where A328845 and A328846 are the first and second Fibonacci-based variants of the arithmetic derivative.

Table of values

List of values

n	a(n)
0	0
1	0
2	1
3	1
4	4
5	5
6	1
7	1
8	12
9	6
10	5
11	1
12	4
13	1
14	3
15	5
16	32
17	1
18	3
19	1
20	20
21	1
22	3
23	1
24	4
25	50
26	1
27	27
28	8
29	1
30	5
31	1
32	80
33	1
34	1
35	25
36	12
37	1
38	1
39	1
40	20
41	1
42	1
43	1
44	20
45	15
46	7
47	1
48	16
49	14
50	25
51	1
52	4
53	1
54	27
55	20
56	4
57	1
58	1
59	1
60	80
61	1
62	33
63	3
64	192
65	10
66	1
67	1
68	8
69	1
70	5
71	1
72	12
73	1
74	1
75	25
76	12
77	1
78	1
79	1
80	80
81	108
82	1
83	1
84	4
85	15
86	1
87	1
88	4
89	1
90	15
91	1
92	60
93	1
94	1
95	10
96	16

n	a(n)
0	0
1	0
2	1
3	1
4	4
5	5
6	1
7	1
8	12
9	6
10	5
11	1
12	4
13	1
14	3
15	5
16	32
17	1
18	3
19	1
20	20
21	1
22	3
23	1
24	4
25	50
26	1
27	27
28	8
29	1
30	5
31	1
32	80
33	1
34	1
35	25
36	12
37	1
38	1
39	1
40	20
41	1
42	1
43	1
44	20
45	15
46	7
47	1
48	16
49	14
50	25
51	1
52	4
53	1
54	27
55	20
56	4
57	1
58	1
59	1
60	80
61	1
62	33
63	3
64	192
65	10
66	1
67	1
68	8
69	1
70	5
71	1
72	12
73	1
74	1
75	25
76	12
77	1
78	1
79	1
80	80
81	108
82	1
83	1
84	4
85	15
86	1
87	1
88	4
89	1
90	15
91	1
92	60
93	1
94	1
95	10
96	16

n	a(n)
0	0
1	0
2	1
3	1
4	4
5	5
6	1
7	1
8	12
9	6
10	5
11	1
12	4
13	1
14	3
15	5
16	32
17	1
18	3
19	1
20	20
21	1
22	3
23	1
24	4
25	50
26	1
27	27
28	8
29	1
30	5
31	1
32	80
33	1
34	1
35	25
36	12
37	1
38	1
39	1
40	20
41	1
42	1
43	1
44	20
45	15
46	7
47	1
48	16
49	14
50	25
51	1
52	4
53	1
54	27
55	20
56	4
57	1
58	1
59	1
60	80
61	1
62	33
63	3
64	192
65	10
66	1
67	1
68	8
69	1
70	5
71	1
72	12
73	1
74	1
75	25
76	12
77	1
78	1
79	1
80	80
81	108
82	1
83	1
84	4
85	15
86	1
87	1
88	4
89	1
90	15
91	1
92	60
93	1
94	1
95	10
96	16