A283987 - cp's OEIS frontend

A283987 a(n) = A002487(n-1) XOR A002487(n), where XOR is bitwise-xor (A003987).

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

[1, 0, 3, 3, 2, 1, 1, 2, 5, 7, 6, 7, 7, 6, 7, 5, 4, 1, 3, 4, 11, 13, 2, 5, 5, 2, 13, 11, 4, 3, 1, 4, 7, 3, 12, 13, 15, 12, 13, 9, 8, 3, 5, 8, 9, 11, 14, 11, 11, 14, 11, 9, 8, 5, 3, 8, 9, 13, 12, 15, 13, 12, 3, 7, 6, 1, 13, 14, 11, 7, 4, 9, 11, 4, 25, 21, 22, 27, 7, 14, 13, 5, 24, 27, 29, 24, 31, 23, 20, 29, 31, 20, 23, 25, 2, 9, 9, 2, 25, 23, 20, 31, 29, 20, 23]

cp's OEIS Frontend

A283987 a(n) = A002487(n-1) XOR A002487(n), where XOR is bitwise-xor (A003987).

Table of values

List of values

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

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

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