A284011 - cp's OEIS frontend

A284011 a(n) = least natural number with the same prime signature Stern polynomial B(n,x) has when it is factored over Z.

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

[1, 2, 2, 4, 2, 6, 2, 8, 4, 6, 2, 12, 2, 6, 6, 16, 2, 12, 2, 12, 6, 6, 2, 24, 2, 6, 8, 12, 2, 30, 2, 32, 6, 6, 6, 36, 2, 6, 6, 24, 2, 30, 2, 12, 12, 6, 2, 48, 4, 6, 6, 12, 2, 24, 2, 24, 6, 6, 2, 60, 2, 6, 30, 64, 2, 30, 2, 12, 6, 30, 2, 72, 2, 6, 12, 12, 2, 30, 2, 48, 6, 6, 2, 60, 6, 6, 6, 24, 2, 60, 2, 12, 6, 6, 2, 96, 2, 12, 12, 12, 2, 30, 2, 24, 30, 6, 2, 72]

cp's OEIS Frontend

A284011 a(n) = least natural number with the same prime signature Stern polynomial B(n,x) has when it is factored over Z.

Table of values

List of values

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

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

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