A355442 - cp's OEIS frontend

A355442 a(n) = gcd(A003961(n), A276086(n)), where A003961 is fully multiplicative with a(p) = nextprime(p), and A276086 is primorial base exp-function.

n	a(n)
1	1
2	3
3	1
4	9
5	1
6	5
7	1
8	3
9	5
10	3
11	1
12	5
13	1
14	3
15	5
16	9
17	1
18	25
19	1
20	3
21	5
22	3
23	1
24	5
25	1
26	3
27	125
28	9
29	1
30	7
31	1
32	3
33	1
34	3
35	7
36	5
37	1
38	3
39	5
40	63
41	1
42	5
43	1
44	3
45	175
46	3
47	1
48	5
49	1
50	21
51	5
52	9
53	1
54	125
55	7
56	3
57	5
58	3
59	1
60	7
61	1
62	3
63	1
64	9
65	7
66	5
67	1
68	3
69	5
70	21
71	1
72	25
73	1
74	3
75	245
76	9
77	1
78	5
79	1
80	21
81	125
82	3
83	1
84	5
85	7
86	3
87	5
88	9
89	1
90	7
91	1
92	3
93	1
94	3
95	7
96	5
97	1
98	3
99	5
100	441

[1, 3, 1, 9, 1, 5, 1, 3, 5, 3, 1, 5, 1, 3, 5, 9, 1, 25, 1, 3, 5, 3, 1, 5, 1, 3, 125, 9, 1, 7, 1, 3, 1, 3, 7, 5, 1, 3, 5, 63, 1, 5, 1, 3, 175, 3, 1, 5, 1, 21, 5, 9, 1, 125, 7, 3, 5, 3, 1, 7, 1, 3, 1, 9, 7, 5, 1, 3, 5, 21, 1, 25, 1, 3, 245, 9, 1, 5, 1, 21, 125, 3, 1, 5, 7, 3, 5, 9, 1, 7, 1, 3, 1, 3, 7, 5, 1, 3, 5, 441]

cp's OEIS Frontend

A355442 a(n) = gcd(A003961(n), A276086(n)), where A003961 is fully multiplicative with a(p) = nextprime(p), and A276086 is primorial base exp-function.

Table of values

List of values

n	a(n)
1	1
2	3
3	1
4	9
5	1
6	5
7	1
8	3
9	5
10	3
11	1
12	5
13	1
14	3
15	5
16	9
17	1
18	25
19	1
20	3
21	5
22	3
23	1
24	5
25	1
26	3
27	125
28	9
29	1
30	7
31	1
32	3
33	1
34	3
35	7
36	5
37	1
38	3
39	5
40	63
41	1
42	5
43	1
44	3
45	175
46	3
47	1
48	5
49	1
50	21
51	5
52	9
53	1
54	125
55	7
56	3
57	5
58	3
59	1
60	7
61	1
62	3
63	1
64	9
65	7
66	5
67	1
68	3
69	5
70	21
71	1
72	25
73	1
74	3
75	245
76	9
77	1
78	5
79	1
80	21
81	125
82	3
83	1
84	5
85	7
86	3
87	5
88	9
89	1
90	7
91	1
92	3
93	1
94	3
95	7
96	5
97	1
98	3
99	5
100	441

n	a(n)
1	1
2	3
3	1
4	9
5	1
6	5
7	1
8	3
9	5
10	3
11	1
12	5
13	1
14	3
15	5
16	9
17	1
18	25
19	1
20	3
21	5
22	3
23	1
24	5
25	1
26	3
27	125
28	9
29	1
30	7
31	1
32	3
33	1
34	3
35	7
36	5
37	1
38	3
39	5
40	63
41	1
42	5
43	1
44	3
45	175
46	3
47	1
48	5
49	1
50	21
51	5
52	9
53	1
54	125
55	7
56	3
57	5
58	3
59	1
60	7
61	1
62	3
63	1
64	9
65	7
66	5
67	1
68	3
69	5
70	21
71	1
72	25
73	1
74	3
75	245
76	9
77	1
78	5
79	1
80	21
81	125
82	3
83	1
84	5
85	7
86	3
87	5
88	9
89	1
90	7
91	1
92	3
93	1
94	3
95	7
96	5
97	1
98	3
99	5
100	441

n	a(n)
1	1
2	3
3	1
4	9
5	1
6	5
7	1
8	3
9	5
10	3
11	1
12	5
13	1
14	3
15	5
16	9
17	1
18	25
19	1
20	3
21	5
22	3
23	1
24	5
25	1
26	3
27	125
28	9
29	1
30	7
31	1
32	3
33	1
34	3
35	7
36	5
37	1
38	3
39	5
40	63
41	1
42	5
43	1
44	3
45	175
46	3
47	1
48	5
49	1
50	21
51	5
52	9
53	1
54	125
55	7
56	3
57	5
58	3
59	1
60	7
61	1
62	3
63	1
64	9
65	7
66	5
67	1
68	3
69	5
70	21
71	1
72	25
73	1
74	3
75	245
76	9
77	1
78	5
79	1
80	21
81	125
82	3
83	1
84	5
85	7
86	3
87	5
88	9
89	1
90	7
91	1
92	3
93	1
94	3
95	7
96	5
97	1
98	3
99	5
100	441