A356299 - cp's OEIS frontend

A356299 a(n) = gcd(A276086(n), A342001(n)), where A276086 is the primorial base exp-function, and A342001 is the arithmetic derivative without its inherited divisor.

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

[2, 1, 1, 1, 1, 5, 1, 3, 2, 1, 1, 1, 1, 3, 2, 1, 1, 1, 1, 3, 10, 1, 1, 1, 2, 15, 3, 1, 1, 1, 1, 1, 14, 1, 6, 5, 1, 21, 2, 1, 1, 1, 1, 3, 1, 25, 1, 7, 2, 3, 10, 7, 1, 1, 2, 1, 2, 1, 1, 1, 1, 3, 1, 3, 18, 1, 1, 3, 2, 1, 1, 1, 1, 3, 1, 5, 18, 1, 1, 1, 2, 1, 1, 1, 2, 15, 2, 35, 1, 1, 2, 3, 2, 49, 6, 1, 1, 1, 5, 7, 1, 7, 1, 1, 1]

cp's OEIS Frontend

A356299 a(n) = gcd(A276086(n), A342001(n)), where A276086 is the primorial base exp-function, and A342001 is the arithmetic derivative without its inherited divisor.

Table of values

List of values

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

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

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