A382423 - cp's OEIS frontend

A382423 The number of exponents in the prime factorization of n-th biquadratefree number that are equal to 2.

n	a(n)
1	0
2	0
3	0
4	1
5	0
6	0
7	0
8	0
9	1
10	0
11	0
12	1
13	0
14	0
15	0
16	0
17	1
18	0
19	1
20	0
21	0
22	0
23	0
24	1
25	0
26	0
27	1
28	0
29	0
30	0
31	0
32	0
33	0
34	2
35	0
36	0
37	0
38	0
39	0
40	0
41	0
42	1
43	1
44	0
45	0
46	1
47	1
48	0
49	1
50	0
51	0
52	0
53	0
54	0
55	0
56	0
57	1
58	0
59	0
60	1
61	0
62	0
63	0
64	1
65	0
66	0
67	0
68	1
69	0
70	0
71	1
72	1
73	0
74	0
75	0
76	0
77	0
78	1
79	0
80	0
81	0
82	0
83	0
84	1
85	0
86	1
87	0

[0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1, 0]

cp's OEIS Frontend

A382423 The number of exponents in the prime factorization of n-th biquadratefree number that are equal to 2.

Table of values

List of values

n	a(n)
1	0
2	0
3	0
4	1
5	0
6	0
7	0
8	0
9	1
10	0
11	0
12	1
13	0
14	0
15	0
16	0
17	1
18	0
19	1
20	0
21	0
22	0
23	0
24	1
25	0
26	0
27	1
28	0
29	0
30	0
31	0
32	0
33	0
34	2
35	0
36	0
37	0
38	0
39	0
40	0
41	0
42	1
43	1
44	0
45	0
46	1
47	1
48	0
49	1
50	0
51	0
52	0
53	0
54	0
55	0
56	0
57	1
58	0
59	0
60	1
61	0
62	0
63	0
64	1
65	0
66	0
67	0
68	1
69	0
70	0
71	1
72	1
73	0
74	0
75	0
76	0
77	0
78	1
79	0
80	0
81	0
82	0
83	0
84	1
85	0
86	1
87	0

n	a(n)
1	0
2	0
3	0
4	1
5	0
6	0
7	0
8	0
9	1
10	0
11	0
12	1
13	0
14	0
15	0
16	0
17	1
18	0
19	1
20	0
21	0
22	0
23	0
24	1
25	0
26	0
27	1
28	0
29	0
30	0
31	0
32	0
33	0
34	2
35	0
36	0
37	0
38	0
39	0
40	0
41	0
42	1
43	1
44	0
45	0
46	1
47	1
48	0
49	1
50	0
51	0
52	0
53	0
54	0
55	0
56	0
57	1
58	0
59	0
60	1
61	0
62	0
63	0
64	1
65	0
66	0
67	0
68	1
69	0
70	0
71	1
72	1
73	0
74	0
75	0
76	0
77	0
78	1
79	0
80	0
81	0
82	0
83	0
84	1
85	0
86	1
87	0

n	a(n)
1	0
2	0
3	0
4	1
5	0
6	0
7	0
8	0
9	1
10	0
11	0
12	1
13	0
14	0
15	0
16	0
17	1
18	0
19	1
20	0
21	0
22	0
23	0
24	1
25	0
26	0
27	1
28	0
29	0
30	0
31	0
32	0
33	0
34	2
35	0
36	0
37	0
38	0
39	0
40	0
41	0
42	1
43	1
44	0
45	0
46	1
47	1
48	0
49	1
50	0
51	0
52	0
53	0
54	0
55	0
56	0
57	1
58	0
59	0
60	1
61	0
62	0
63	0
64	1
65	0
66	0
67	0
68	1
69	0
70	0
71	1
72	1
73	0
74	0
75	0
76	0
77	0
78	1
79	0
80	0
81	0
82	0
83	0
84	1
85	0
86	1
87	0