A374327 - cp's OEIS frontend

A374327 The maximal exponent in the prime factorization of the numbers whose maximal exponent in their prime factorization is a power of 2.

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

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

cp's OEIS Frontend

A374327 The maximal exponent in the prime factorization of the numbers whose maximal exponent in their prime factorization is a power of 2.

Table of values

List of values

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

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

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