A286361 - cp's OEIS frontend

A286361 Least number with the same prime signature as {the largest divisor of n with only prime factors of the form 4k+1} has: a(n) = A046523(A170818(n)).

n	a(n)
1	1
2	1
3	1
4	1
5	2
6	1
7	1
8	1
9	1
10	2
11	1
12	1
13	2
14	1
15	2
16	1
17	2
18	1
19	1
20	2
21	1
22	1
23	1
24	1
25	4
26	2
27	1
28	1
29	2
30	2
31	1
32	1
33	1
34	2
35	2
36	1
37	2
38	1
39	2
40	2
41	2
42	1
43	1
44	1
45	2
46	1
47	1
48	1
49	1
50	4
51	2
52	2
53	2
54	1
55	2
56	1
57	1
58	2
59	1
60	2
61	2
62	1
63	1
64	1
65	6
66	1
67	1
68	2
69	1
70	2
71	1
72	1
73	2
74	2
75	4
76	1
77	1
78	2
79	1
80	2
81	1
82	2
83	1
84	1
85	6
86	1
87	2
88	1
89	2
90	2
91	2
92	1
93	1
94	1
95	2
96	1
97	2
98	1
99	1
100	4
101	2
102	2
103	1
104	2
105	2
106	2
107	1
108	1
109	2
110	2
111	2
112	1
113	2
114	1
115	2
116	2
117	2
118	1
119	2
120	2

[1, 1, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 2, 1, 2, 1, 2, 1, 1, 2, 1, 1, 1, 1, 4, 2, 1, 1, 2, 2, 1, 1, 1, 2, 2, 1, 2, 1, 2, 2, 2, 1, 1, 1, 2, 1, 1, 1, 1, 4, 2, 2, 2, 1, 2, 1, 1, 2, 1, 2, 2, 1, 1, 1, 6, 1, 1, 2, 1, 2, 1, 1, 2, 2, 4, 1, 1, 2, 1, 2, 1, 2, 1, 1, 6, 1, 2, 1, 2, 2, 2, 1, 1, 1, 2, 1, 2, 1, 1, 4, 2, 2, 1, 2, 2, 2, 1, 1, 2, 2, 2, 1, 2, 1, 2, 2, 2, 1, 2, 2]

cp's OEIS Frontend

A286361 Least number with the same prime signature as {the largest divisor of n with only prime factors of the form 4k+1} has: a(n) = A046523(A170818(n)).

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	1
5	2
6	1
7	1
8	1
9	1
10	2
11	1
12	1
13	2
14	1
15	2
16	1
17	2
18	1
19	1
20	2
21	1
22	1
23	1
24	1
25	4
26	2
27	1
28	1
29	2
30	2
31	1
32	1
33	1
34	2
35	2
36	1
37	2
38	1
39	2
40	2
41	2
42	1
43	1
44	1
45	2
46	1
47	1
48	1
49	1
50	4
51	2
52	2
53	2
54	1
55	2
56	1
57	1
58	2
59	1
60	2
61	2
62	1
63	1
64	1
65	6
66	1
67	1
68	2
69	1
70	2
71	1
72	1
73	2
74	2
75	4
76	1
77	1
78	2
79	1
80	2
81	1
82	2
83	1
84	1
85	6
86	1
87	2
88	1
89	2
90	2
91	2
92	1
93	1
94	1
95	2
96	1
97	2
98	1
99	1
100	4
101	2
102	2
103	1
104	2
105	2
106	2
107	1
108	1
109	2
110	2
111	2
112	1
113	2
114	1
115	2
116	2
117	2
118	1
119	2
120	2

n	a(n)
1	1
2	1
3	1
4	1
5	2
6	1
7	1
8	1
9	1
10	2
11	1
12	1
13	2
14	1
15	2
16	1
17	2
18	1
19	1
20	2
21	1
22	1
23	1
24	1
25	4
26	2
27	1
28	1
29	2
30	2
31	1
32	1
33	1
34	2
35	2
36	1
37	2
38	1
39	2
40	2
41	2
42	1
43	1
44	1
45	2
46	1
47	1
48	1
49	1
50	4
51	2
52	2
53	2
54	1
55	2
56	1
57	1
58	2
59	1
60	2
61	2
62	1
63	1
64	1
65	6
66	1
67	1
68	2
69	1
70	2
71	1
72	1
73	2
74	2
75	4
76	1
77	1
78	2
79	1
80	2
81	1
82	2
83	1
84	1
85	6
86	1
87	2
88	1
89	2
90	2
91	2
92	1
93	1
94	1
95	2
96	1
97	2
98	1
99	1
100	4
101	2
102	2
103	1
104	2
105	2
106	2
107	1
108	1
109	2
110	2
111	2
112	1
113	2
114	1
115	2
116	2
117	2
118	1
119	2
120	2

n	a(n)
1	1
2	1
3	1
4	1
5	2
6	1
7	1
8	1
9	1
10	2
11	1
12	1
13	2
14	1
15	2
16	1
17	2
18	1
19	1
20	2
21	1
22	1
23	1
24	1
25	4
26	2
27	1
28	1
29	2
30	2
31	1
32	1
33	1
34	2
35	2
36	1
37	2
38	1
39	2
40	2
41	2
42	1
43	1
44	1
45	2
46	1
47	1
48	1
49	1
50	4
51	2
52	2
53	2
54	1
55	2
56	1
57	1
58	2
59	1
60	2
61	2
62	1
63	1
64	1
65	6
66	1
67	1
68	2
69	1
70	2
71	1
72	1
73	2
74	2
75	4
76	1
77	1
78	2
79	1
80	2
81	1
82	2
83	1
84	1
85	6
86	1
87	2
88	1
89	2
90	2
91	2
92	1
93	1
94	1
95	2
96	1
97	2
98	1
99	1
100	4
101	2
102	2
103	1
104	2
105	2
106	2
107	1
108	1
109	2
110	2
111	2
112	1
113	2
114	1
115	2
116	2
117	2
118	1
119	2
120	2