A268387 - cp's OEIS frontend

A268387 Bitwise-XOR of the exponents of primes in the prime factorization of n.

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

[0, 1, 1, 2, 1, 0, 1, 3, 2, 0, 1, 3, 1, 0, 0, 4, 1, 3, 1, 3, 0, 0, 1, 2, 2, 0, 3, 3, 1, 1, 1, 5, 0, 0, 0, 0, 1, 0, 0, 2, 1, 1, 1, 3, 3, 0, 1, 5, 2, 3, 0, 3, 1, 2, 0, 2, 0, 0, 1, 2, 1, 0, 3, 6, 0, 1, 1, 3, 0, 1, 1, 1, 1, 0, 3, 3, 0, 1, 1, 5, 4, 0, 1, 2, 0, 0, 0, 2, 1, 2, 0, 3, 0, 0, 0, 4, 1, 3, 3, 0, 1, 1, 1, 2, 1, 0, 1, 1, 1, 1, 0, 5, 1, 1, 0, 3, 3, 0, 0, 3]

cp's OEIS Frontend

A268387 Bitwise-XOR of the exponents of primes in the prime factorization of n.

Table of values

List of values

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

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

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