A380529 - cp's OEIS frontend

A380529 Smallest prime p such that p^p is a divisor of A380459(A005117(n)), or 1 if no such factor exists, where A380459(n) = Product_{d|n} A276086(n/d)^A349394(d) and A005117 lists the squarefree numbers.

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

[1, 1, 1, 1, 1, 1, 3, 1, 1, 1, 2, 1, 1, 2, 3, 1, 1, 1, 3, 1, 2, 3, 2, 1, 1, 2, 1, 5, 1, 3, 1, 2, 1, 2, 2, 3, 1, 1, 1, 2, 3, 1, 2, 3, 1, 1, 1, 2, 5, 1, 3, 1, 2, 1, 2, 1, 2, 2, 3, 2, 1, 1, 3, 1, 2, 3, 1, 1, 3, 2, 1, 5, 2, 3, 2, 1, 2, 1, 2, 3, 1, 2, 1, 1, 3, 1, 2, 3, 2, 2, 1, 1, 1, 3, 2, 1, 1, 2, 2, 1, 2, 3, 1, 3, 1]

cp's OEIS Frontend

A380529 Smallest prime p such that p^p is a divisor of A380459(A005117(n)), or 1 if no such factor exists, where A380459(n) = Product_{d|n} A276086(n/d)^A349394(d) and A005117 lists the squarefree numbers.

Table of values

List of values

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

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

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