A260728 - cp's OEIS frontend

A260728 Bitwise-OR of the exponents of all 4k+3 primes in the prime factorization of n.

n	a(n)
0	0
1	0
2	0
3	1
4	0
5	0
6	1
7	1
8	0
9	2
10	0
11	1
12	1
13	0
14	1
15	1
16	0
17	0
18	2
19	1
20	0
21	1
22	1
23	1
24	1
25	0
26	0
27	3
28	1
29	0
30	1
31	1
32	0
33	1
34	0
35	1
36	2
37	0
38	1
39	1
40	0
41	0
42	1
43	1
44	1
45	2
46	1
47	1
48	1
49	2
50	0
51	1
52	0
53	0
54	3
55	1
56	1
57	1
58	0
59	1
60	1
61	0
62	1
63	3
64	0
65	0
66	1
67	1
68	0
69	1
70	1
71	1
72	2
73	0
74	0
75	1
76	1
77	1
78	1
79	1
80	0
81	4
82	0
83	1
84	1
85	0
86	1
87	1
88	1
89	0
90	2
91	1
92	1
93	1
94	1
95	1
96	1
97	0
98	2
99	3
100	0
101	0
102	1
103	1
104	0
105	1
106	0
107	1
108	3
109	0
110	1
111	1
112	1
113	0
114	1
115	1
116	0
117	2
118	1
119	1
120	1

[0, 0, 0, 1, 0, 0, 1, 1, 0, 2, 0, 1, 1, 0, 1, 1, 0, 0, 2, 1, 0, 1, 1, 1, 1, 0, 0, 3, 1, 0, 1, 1, 0, 1, 0, 1, 2, 0, 1, 1, 0, 0, 1, 1, 1, 2, 1, 1, 1, 2, 0, 1, 0, 0, 3, 1, 1, 1, 0, 1, 1, 0, 1, 3, 0, 0, 1, 1, 0, 1, 1, 1, 2, 0, 0, 1, 1, 1, 1, 1, 0, 4, 0, 1, 1, 0, 1, 1, 1, 0, 2, 1, 1, 1, 1, 1, 1, 0, 2, 3, 0, 0, 1, 1, 0, 1, 0, 1, 3, 0, 1, 1, 1, 0, 1, 1, 0, 2, 1, 1, 1]

cp's OEIS Frontend

A260728 Bitwise-OR of the exponents of all 4k+3 primes in the prime factorization of n.

Table of values

List of values

n	a(n)
0	0
1	0
2	0
3	1
4	0
5	0
6	1
7	1
8	0
9	2
10	0
11	1
12	1
13	0
14	1
15	1
16	0
17	0
18	2
19	1
20	0
21	1
22	1
23	1
24	1
25	0
26	0
27	3
28	1
29	0
30	1
31	1
32	0
33	1
34	0
35	1
36	2
37	0
38	1
39	1
40	0
41	0
42	1
43	1
44	1
45	2
46	1
47	1
48	1
49	2
50	0
51	1
52	0
53	0
54	3
55	1
56	1
57	1
58	0
59	1
60	1
61	0
62	1
63	3
64	0
65	0
66	1
67	1
68	0
69	1
70	1
71	1
72	2
73	0
74	0
75	1
76	1
77	1
78	1
79	1
80	0
81	4
82	0
83	1
84	1
85	0
86	1
87	1
88	1
89	0
90	2
91	1
92	1
93	1
94	1
95	1
96	1
97	0
98	2
99	3
100	0
101	0
102	1
103	1
104	0
105	1
106	0
107	1
108	3
109	0
110	1
111	1
112	1
113	0
114	1
115	1
116	0
117	2
118	1
119	1
120	1

n	a(n)
0	0
1	0
2	0
3	1
4	0
5	0
6	1
7	1
8	0
9	2
10	0
11	1
12	1
13	0
14	1
15	1
16	0
17	0
18	2
19	1
20	0
21	1
22	1
23	1
24	1
25	0
26	0
27	3
28	1
29	0
30	1
31	1
32	0
33	1
34	0
35	1
36	2
37	0
38	1
39	1
40	0
41	0
42	1
43	1
44	1
45	2
46	1
47	1
48	1
49	2
50	0
51	1
52	0
53	0
54	3
55	1
56	1
57	1
58	0
59	1
60	1
61	0
62	1
63	3
64	0
65	0
66	1
67	1
68	0
69	1
70	1
71	1
72	2
73	0
74	0
75	1
76	1
77	1
78	1
79	1
80	0
81	4
82	0
83	1
84	1
85	0
86	1
87	1
88	1
89	0
90	2
91	1
92	1
93	1
94	1
95	1
96	1
97	0
98	2
99	3
100	0
101	0
102	1
103	1
104	0
105	1
106	0
107	1
108	3
109	0
110	1
111	1
112	1
113	0
114	1
115	1
116	0
117	2
118	1
119	1
120	1

n	a(n)
0	0
1	0
2	0
3	1
4	0
5	0
6	1
7	1
8	0
9	2
10	0
11	1
12	1
13	0
14	1
15	1
16	0
17	0
18	2
19	1
20	0
21	1
22	1
23	1
24	1
25	0
26	0
27	3
28	1
29	0
30	1
31	1
32	0
33	1
34	0
35	1
36	2
37	0
38	1
39	1
40	0
41	0
42	1
43	1
44	1
45	2
46	1
47	1
48	1
49	2
50	0
51	1
52	0
53	0
54	3
55	1
56	1
57	1
58	0
59	1
60	1
61	0
62	1
63	3
64	0
65	0
66	1
67	1
68	0
69	1
70	1
71	1
72	2
73	0
74	0
75	1
76	1
77	1
78	1
79	1
80	0
81	4
82	0
83	1
84	1
85	0
86	1
87	1
88	1
89	0
90	2
91	1
92	1
93	1
94	1
95	1
96	1
97	0
98	2
99	3
100	0
101	0
102	1
103	1
104	0
105	1
106	0
107	1
108	3
109	0
110	1
111	1
112	1
113	0
114	1
115	1
116	0
117	2
118	1
119	1
120	1