A066829 - cp's OEIS frontend

A066829 Parity of Omega(n): a(n) = 1 if n is the product of an odd number of primes; 0 if product of even number of primes.

n	a(n)
1	0
2	1
3	1
4	0
5	1
6	0
7	1
8	1
9	0
10	0
11	1
12	1
13	1
14	0
15	0
16	0
17	1
18	1
19	1
20	1
21	0
22	0
23	1
24	0
25	0
26	0
27	1
28	1
29	1
30	1
31	1
32	1
33	0
34	0
35	0
36	0
37	1
38	0
39	0
40	0
41	1
42	1
43	1
44	1
45	1
46	0
47	1
48	1
49	0
50	1
51	0
52	1
53	1
54	0
55	0
56	0
57	0
58	0
59	1
60	0
61	1
62	0
63	1
64	0
65	0
66	1
67	1
68	1
69	0
70	1
71	1
72	1
73	1
74	0
75	1
76	1
77	0
78	1
79	1
80	1
81	0
82	0
83	1
84	0
85	0
86	0
87	0
88	0
89	1
90	0
91	0
92	1
93	0
94	0
95	0
96	0
97	1
98	1
99	1
100	0
101	1
102	1
103	1
104	0

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

cp's OEIS Frontend

A066829 Parity of Omega(n): a(n) = 1 if n is the product of an odd number of primes; 0 if product of even number of primes.

Table of values

List of values

n	a(n)
1	0
2	1
3	1
4	0
5	1
6	0
7	1
8	1
9	0
10	0
11	1
12	1
13	1
14	0
15	0
16	0
17	1
18	1
19	1
20	1
21	0
22	0
23	1
24	0
25	0
26	0
27	1
28	1
29	1
30	1
31	1
32	1
33	0
34	0
35	0
36	0
37	1
38	0
39	0
40	0
41	1
42	1
43	1
44	1
45	1
46	0
47	1
48	1
49	0
50	1
51	0
52	1
53	1
54	0
55	0
56	0
57	0
58	0
59	1
60	0
61	1
62	0
63	1
64	0
65	0
66	1
67	1
68	1
69	0
70	1
71	1
72	1
73	1
74	0
75	1
76	1
77	0
78	1
79	1
80	1
81	0
82	0
83	1
84	0
85	0
86	0
87	0
88	0
89	1
90	0
91	0
92	1
93	0
94	0
95	0
96	0
97	1
98	1
99	1
100	0
101	1
102	1
103	1
104	0

n	a(n)
1	0
2	1
3	1
4	0
5	1
6	0
7	1
8	1
9	0
10	0
11	1
12	1
13	1
14	0
15	0
16	0
17	1
18	1
19	1
20	1
21	0
22	0
23	1
24	0
25	0
26	0
27	1
28	1
29	1
30	1
31	1
32	1
33	0
34	0
35	0
36	0
37	1
38	0
39	0
40	0
41	1
42	1
43	1
44	1
45	1
46	0
47	1
48	1
49	0
50	1
51	0
52	1
53	1
54	0
55	0
56	0
57	0
58	0
59	1
60	0
61	1
62	0
63	1
64	0
65	0
66	1
67	1
68	1
69	0
70	1
71	1
72	1
73	1
74	0
75	1
76	1
77	0
78	1
79	1
80	1
81	0
82	0
83	1
84	0
85	0
86	0
87	0
88	0
89	1
90	0
91	0
92	1
93	0
94	0
95	0
96	0
97	1
98	1
99	1
100	0
101	1
102	1
103	1
104	0

n	a(n)
1	0
2	1
3	1
4	0
5	1
6	0
7	1
8	1
9	0
10	0
11	1
12	1
13	1
14	0
15	0
16	0
17	1
18	1
19	1
20	1
21	0
22	0
23	1
24	0
25	0
26	0
27	1
28	1
29	1
30	1
31	1
32	1
33	0
34	0
35	0
36	0
37	1
38	0
39	0
40	0
41	1
42	1
43	1
44	1
45	1
46	0
47	1
48	1
49	0
50	1
51	0
52	1
53	1
54	0
55	0
56	0
57	0
58	0
59	1
60	0
61	1
62	0
63	1
64	0
65	0
66	1
67	1
68	1
69	0
70	1
71	1
72	1
73	1
74	0
75	1
76	1
77	0
78	1
79	1
80	1
81	0
82	0
83	1
84	0
85	0
86	0
87	0
88	0
89	1
90	0
91	0
92	1
93	0
94	0
95	0
96	0
97	1
98	1
99	1
100	0
101	1
102	1
103	1
104	0