A283976 - cp's OEIS frontend

A283976 a(2n) = A002487(n), a(2n+1) = A002487(n) OR A002487(n+1), where OR is bitwise-or (A003986).

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

[0, 1, 1, 1, 1, 3, 2, 3, 1, 3, 3, 3, 2, 3, 3, 3, 1, 5, 4, 7, 3, 7, 5, 7, 2, 7, 5, 7, 3, 7, 4, 5, 1, 5, 5, 5, 4, 7, 7, 7, 3, 11, 8, 13, 5, 7, 7, 7, 2, 7, 7, 7, 5, 13, 8, 11, 3, 7, 7, 7, 4, 5, 5, 5, 1, 7, 6, 7, 5, 13, 9, 13, 4, 15, 11, 15, 7, 15, 10, 11, 3, 11, 11, 11, 8, 13, 13, 13, 5, 13, 12, 15, 7, 15, 9, 11, 2, 11, 9, 15, 7, 15, 12, 13, 5, 13, 13, 13, 8]

cp's OEIS Frontend

A283976 a(2n) = A002487(n), a(2n+1) = A002487(n) OR A002487(n+1), where OR is bitwise-or (A003986).

Table of values

List of values

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

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

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