A178307 - cp's OEIS frontend

A178307 Remove powers of 2 from A000069. Let b(n) be n-th term of the remaining sequence. Then a(n) is the least number m such that (b(n))^m is in A001969.

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

[3, 3, 2, 3, 3, 2, 3, 4, 2, 3, 3, 4, 2, 3, 3, 2, 3, 2, 4, 4, 2, 3, 3, 5, 2, 3, 4, 2, 4, 2, 2, 3, 4, 2, 3, 2, 3, 3, 3, 2, 2, 4, 4, 4, 9, 2, 2, 2, 3, 3, 2, 4, 5, 3, 2, 3, 3, 4, 2, 4, 2, 2, 4, 3, 3, 2, 2, 2, 3, 2, 4, 4, 2, 2, 3, 4, 2, 2, 4, 3, 3, 4, 5, 3, 5, 2, 2, 2, 6, 4, 4, 2, 4, 2, 2, 9, 2, 2, 2, 2, 3, 2, 3, 3, 3]

cp's OEIS Frontend

A178307 Remove powers of 2 from A000069. Let b(n) be n-th term of the remaining sequence. Then a(n) is the least number m such that (b(n))^m is in A001969.

Table of values

List of values

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

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

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